CVE-2023-24536

HIGHNVD 7.57.5
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to NVD's CVSS score.

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-04-06. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: EPSS, GitHub Security Advisory, NVD CVSS v3

Also known asEUVD-2023-28552 (ENISA EUVD) · GHSA-9f7g-gqwh-jpf5 (GitHub Security Advisories) · GO-2023-1705 (OSV.dev)Source: ENISA EUVD

7.5EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.5%CVSS: 7.5Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Multipart form parsing can consume large amounts of CPU and memory when processing form inputs containing very large numbers of parts. This stems from several causes: 1. mime/multipart.Reader.ReadForm limits the total memory a parsed multipart form can consume. ReadForm can undercount the amount of memory consumed, leading it to accept larger inputs than intended. 2. Limiting total memory does not account for increased pressure on the garbage collector from large numbers of small allocations in forms with many parts. 3. ReadForm can allocate a large number of short-lived buffers, further increasing pressure on the garbage collector. The combination of these factors can permit an attacker to cause an program that parses multipart forms to consume large amounts of CPU and memory, potentially resulting in a denial of service. This affects programs that use mime/multipart.Reader.ReadForm, as well as form parsing in the net/http package with the Request methods FormFile, FormValue, ParseMultipartForm, and PostFormValue. With fix, ReadForm now does a better job of estimating the memory consumption of parsed forms, and performs many fewer short-lived allocations. In addition, the fixed mime/multipart.Reader imposes the following limits on the size of parsed forms: 1. Forms parsed with ReadForm may contain no more than 1000 parts. This limit may be adjusted with the environment variable GODEBUG=multipartmaxparts=. 2. Form parts parsed with NextPart and NextRawPart may contain no more than 10,000 header fields. In addition, forms parsed with ReadForm may contain no more than 10,000 header fields across all parts. This limit may be adjusted with the environment variable GODEBUG=multipartmaxheaders=.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
34
EG Risk 34/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses impact severity (EG Severity, the CVSS base score, never the KEV-floored or EPSS-lifted EG Score) with real-world exploitation and automatability, under weights EchelonGraph set by hand, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner.

How it’s computed (value × EchelonGraph’s weight)
Severity75% × 45%
Impact severity (EG Severity): CVSS 7.5 of 10. Never the KEV-floored or EPSS-lifted EG Score.
Exploitation1.5% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at every mission impact level.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
1.5%
EPSS %ILE
74th
KEV
Not listed

What the EG score is made of (scorer v4.0: the three questions the 0–10 score mixes, published apart · methodology)

The EG score (7.5): severity, escalated by confirmed exploitation. This CVE's 7.5 is its impact severity (EG Severity), not escalated.

EG Severity
7.5 HIGHCVSS-B, impact only: no KEV listing, EPSS or EG-KEV tier raises it.GitHub Security Advisory CVSS
EG Likelihood
1.5% within 30 daysSource: FIRST EPSS (model v2026.06.15, score date 2026-11-09). FIRST's exploitation probability, not an EchelonGraph model.
Confirmed exploitation
None on record (CISA KEV, EG-KEV Tier 1)Reported apart from the likelihood: an observed fact, not a probability.
EG Priority
SSVC Track at medium mission impactTrack at every mission impact level.CISA BOD 26-04: 60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.Each input and its source, and whom BOD 26-04 binds: the SSVC and BOD 26-04 blocks below.

SSVC (CISA's decision table, applied by EchelonGraph)Track at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)60 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

The score's inputs: In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

April 6, 2023

Last Modified

February 12, 2025

Advisory Details (8)

Auto-updated Oct 27, 2026
Patch available.
Web page

Go: Multiple Vulnerabilities (GLSA 202311-09) — Gentoo security

https://security.gentoo.org/glsa/202311-09
Web page

GO-2023-1705 - Go Packages

https://pkg.go.dev/vuln/GO-2023-1705
Web page

net/http, net/textproto, mime/multipart: denial of service from excessive resource consumption (CVE-2023-24536) · Issue #59153 · golang/go · GitHub

https://go.dev/issue/59153

Patch Availability(30)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatamq7/amq-broker-rhel8-operator-bundle:7.12.0-102024-05-21redhat
redhatcontainer-tools:4.0-8090020230828093056.e7857ab12023-11-14redhat
redhatcontainer-tools:rhel8-8090020230825121312.e7857ab12023-11-14redhat
redhatpodman-2:4.6.1-5.el92023-11-07redhat
redhattoolbox-0:0.0.99.4-6.el9_32023-11-07redhat
redhatskopeo-2:1.13.3-1.el92023-11-07redhat
redhatcontainernetworking-plugins-1:1.3.0-4.el92023-11-07redhat
redhatbuildah-1:1.31.3-1.el92023-11-07redhat
redhatmigration-toolkit-virtualization/mtv-controller-rhel9:2.4.3-52023-10-25redhat
redhatcollectd-libpod-stats-0:1.0.4-5.el8ost2023-10-20redhat
redhatopenshift-secondary-scheduler-operator/secondary-scheduler-operator-rhel8:v1.1-302023-08-23redhat
redhatcontainer-native-virtualization/virt-api-rhel9:v4.13.3-172023-08-16redhat
redhatmta/mta-hub-rhel9:6.2.0-162023-08-14redhat
redhatquay/quay-rhel8:v3.8.11-132023-08-10redhat
redhatjetstack-cert-manager-container-v1.10.2-182023-08-08redhat
redhatopenshift-clients-0:4.12.0-202307200611.p0.g49844f7.assembly.stream.el82023-08-03redhat
redhatopenshift-clients-0:4.13.0-202306230038.p0.ge4c9a6a.assembly.stream.el82023-07-20redhat
redhatskupper-cli-0:1.4.1-2.el92023-07-10redhat
redhatoadp/oadp-velero-rhel8:1.1.5-32023-06-29redhat
redhatadvanced-cluster-security/rhacs-main-rhel8:4.1.0-132023-06-29redhat
redhatskopeo-2:1.11.2-2.1.rhaos4.13.el92023-06-23redhat
redhatrhmtc/openshift-velero-plugin-rhel8:v1.7.10-22023-06-15redhat
redhatcri-o-0:1.26.3-8.rhaos4.13.git9232b13.el82023-06-13redhat
redhatmicroshift-0:4.13.3-202306081201.p0.g16708cc.assembly.4.13.3.el92023-06-13redhat
redhatopenshift4/ovirt-csi-driver-rhel8-operator:v4.13.0-202305262054.p0.g3e49f77.assembly.stream2023-06-07redhat
redhatopenshift-serverless-1-tech-preview/logic-data-index-ephemeral-rhel8:1.29.0-12023-06-05redhat
redhatetcd-0:3.3.23-14.el8ost2023-06-05redhat
redhatopenshift-serverless-clients-0:1.8.1-3.el82023-06-05redhat
redhatgolang-0:1.19.9-2.el9_22023-05-25redhat
redhatgo-toolset:rhel8-8080020230517172404.6b4b45d82023-05-25redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(11 across 11 ecosystems)
Alpine:v3.17(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.19.8-r0: fixed in 1.19.8-r0
—
Alpine:v3.18(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.19(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.20(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.21(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.22(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
go—
  • 1.20.0 up to 1.20.3-r0: fixed in 1.20.3-r0
—
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
golang-1.151.15.15-1 ... 1.15.9-6 (10 versions)
  • every version on: no fix on record
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
golang-1.19—
  • every version up to 1.19.8-2: fixed in 1.19.8-2
—
Go(1)
PackageVulnerable rangeFix by version rangeDependents
stdlib—
  • every version up to 1.19.8: fixed in 1.19.8
  • 1.20.0-0 up to 1.20.3: fixed in 1.20.3
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(13)

Data Freshness Timeline

(refreshed 9× in last 7d / 38× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed its CVE.org record (CNA or CISA ADP). An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). "EchelonGraph re-scored" is our own recompute of this CVE's score, not an update from a source, and is not counted in the refreshes above. Most recent first.

Showing the most recent 100 of 241 rows on record for this CVE, as 99 entries (1 repeat merged).

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. 1 repeat row among the latest 100 is merged into the row it repeats. The 141 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-11-13 16:43 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  2. 2026-11-12 16:30 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  3. 2026-11-11 16:33 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  4. 2026-11-10 16:36 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  5. 2026-11-09 19:09 UTCEchelonGraph re-scored
  6. 2026-11-09 19:09 UTCVendor advisory
  7. 2026-11-09 19:09 UTCGHSA enrichmentGHSA-9f7g-gqwh-jpf5 · GitHub severity HIGH · GitHub CVSS 7.5
  8. 2026-11-09 16:30 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  9. 2026-11-08 16:34 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  10. 2026-11-07 16:34 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  11. 2026-11-06 16:31 UTCEPSS rescoreEPSS 1.5% · 74th percentile
  12. 2026-11-05 16:32 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  13. 2026-11-04 16:31 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  14. 2026-11-03 16:40 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  15. 2026-11-03 08:26 UTCEchelonGraph re-scored
  16. 2026-11-03 08:26 UTCVendor advisory
  17. 2026-11-03 08:25 UTCGHSA enrichmentGHSA-9f7g-gqwh-jpf5 · GitHub severity HIGH · GitHub CVSS 7.5
  18. 2026-11-02 16:39 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  19. 2026-11-01 16:30 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  20. 2026-10-31 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  21. 2026-10-30 16:31 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  22. 2026-10-29 16:30 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  23. 2026-10-28 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  24. 2026-10-27 21:45 UTCEchelonGraph re-scored
  25. 2026-10-27 21:45 UTCVendor advisory
Show 74 more
  1. 2026-10-27 21:45 UTCGHSA enrichmentGHSA-9f7g-gqwh-jpf5 · GitHub severity HIGH · GitHub CVSS 7.5
  2. 2026-10-27 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  3. 2026-10-26 16:28 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  4. 2026-10-25 17:47 UTCEchelonGraph re-scored
  5. 2026-10-25 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  6. 2026-10-24 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  7. 2026-10-23 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  8. 2026-10-22 16:30 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  9. 2026-10-21 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  10. 2026-10-21 04:50 UTCEchelonGraph re-scored
  11. 2026-10-21 04:50 UTCVendor advisory
  12. 2026-10-21 04:50 UTCGHSA enrichmentGHSA-9f7g-gqwh-jpf5 · GitHub severity HIGH · GitHub CVSS 7.5
  13. 2026-10-20 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  14. 2026-10-19 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  15. 2026-10-18 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  16. 2026-10-18 08:11 UTCEchelonGraph re-scored
  17. 2026-10-17 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  18. 2026-10-16 16:35 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  19. 2026-10-15 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  20. 2026-10-14 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  21. 2026-10-14 13:24 UTCOSV refresh
  22. 2026-10-13 16:29 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  23. 2026-10-12 18:34 UTCEchelonGraph re-scored
  24. 2026-10-12 16:30 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  25. 2026-10-11 21:58 UTCEchelonGraph re-scored
  26. 2026-10-11 13:45 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  27. 2026-10-10 19:57 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  28. 2026-10-09 20:05 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  29. 2026-10-08 17:05 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  30. 2026-10-07 23:45 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  31. 2026-10-06 15:14 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  32. 2026-10-05 17:40 UTCEPSS rescoreEPSS 1.5% · 73rd percentile
  33. 2026-10-03 14:23 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  34. 2026-10-02 16:23 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  35. 2026-10-01 19:47 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  36. 2026-09-30 16:18 UTCEchelonGraph re-scored
  37. 2026-09-30 15:01 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  38. 2026-09-29 15:16 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  39. 2026-09-26 15:55 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  40. 2026-09-26 00:22 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  41. 2026-09-24 14:01 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  42. 2026-09-23 15:47 UTCOSV refresh
  43. 2026-09-23 13:45 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  44. 2026-09-22 14:45 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  45. 2026-09-19 15:38 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  46. 2026-09-18 19:25 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  47. 2026-09-17 19:24 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  48. 2026-09-16 14:05 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  49. 2026-09-16 05:11 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  50. 2026-09-15 03:07 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  51. 2026-09-13 16:44 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  52. 2026-09-12 14:58 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  53. 2026-09-11 09:34 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  54. 2026-09-08 21:57 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  55. 2026-09-07 15:59 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  56. 2026-09-06 13:45 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  57. 2026-09-05 15:25 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  58. 2026-09-04 13:57 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  59. 2026-09-04 10:29 UTCOSV refresh
  60. 2026-09-04 05:04 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  61. 2026-09-02 14:09 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  62. 2026-09-01 13:51 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  63. 2026-08-30 19:15 UTCEPSS rescoreEPSS 1.5% · 72nd percentile
  64. 2026-08-30 01:19 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  65. 2026-08-28 21:38 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  66. 2026-08-27 14:22 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  67. 2026-08-26 14:43 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  68. 2026-08-25 13:46 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  69. 2026-08-24 14:14 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  70. 2026-08-23 00:17 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  71. 2026-08-21 23:46 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  72. 2026-08-20 22:53 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  73. 2026-08-19 17:01 UTCEPSS rescoreEPSS 1.5% · 71st percentile
  74. 2026-08-18 13:46 UTCEPSS rescoreEPSS 1.5% · 71st percentile

Frequently asked(5)

What is CVE-2023-24536?
CVE-2023-24536 is a high-severity vulnerability; its CVE record was published on April 6, 2023. Multipart form parsing can consume large amounts of CPU and memory when processing form inputs containing very large numbers of parts. This stems from several causes: 1. mime/multipart.Reader.ReadForm limits the total memory a parsed multipart form can consume. ReadForm can undercount the amount of…
When was the CVE record for CVE-2023-24536 published?
The CVE record for CVE-2023-24536 was published on April 6, 2023. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of February 12, 2025; the record at its source may have been updated since.
Is CVE-2023-24536 actively exploited?
CVE-2023-24536 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.5% probability of exploitation in the next 30 days (74th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2023-24536?
CVE-2023-24536 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-24536?
A fix for CVE-2023-24536 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2023-24536 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-24536

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