CVE-2026-32283

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-04-08. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — Patch released this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

April 8, 2026

Last Modified

September 18, 2026

Advisory Details (4)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

GO-2026-4870 - Go Packages

https://pkg.go.dev/vuln/GO-2026-4870
generic
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
generic

crypto/tls: multiple key update handshake messages can cause connection to deadlock · Issue #78334 · golang/go · GitHub

https://go.dev/issue/78334
generic
https://go.dev/cl/763767

Vendor Advisories for CVE-2026-32283(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatosbuild-composer-0:75-10.el8_82026-09-17redhat
redhatgit-lfs-0:3.2.0-2.el9_2.102026-09-14redhat
redhattripleo-ansible-0:3.3.1-17.1.20260603190918.8debef3.el9ost2026-09-10redhat
redhatquay/quay-rhel8:17885943762026-09-10redhat
redhatquay/quay-rhel8:17885618412026-09-09redhat
redhatoadp/oadp-velero-rhel9:17888604612026-09-09redhat
redhatquay/quay-rhel8:17885955742026-09-08redhat
redhatrhosdt/tempo-rhel9:17883564732026-09-08redhat
redhatrhoai/odh-workbench-jupyter-trustyai-cpu-py312-rhel9:17881858992026-09-08redhat
redhatrhoai/odh-trainer-rhel9:17870890492026-08-27redhat
redhatopenshift4/ose-ansible-rhel9-operator:17871052022026-08-26redhat
redhatcontainernetworking-plugins-1:1.4.0-7.rhaos4.15.el82026-08-26redhat
redhatopenshift4/ose-ansible-rhel9-operator:17870132512026-08-25redhat
redhatopenshift4/frr-rhel9:17870123762026-08-25redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866548672026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866554672026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866546132026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866545962026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866556762026-08-18redhat
redhatetcd-0:3.3.23-22.el8ost2026-08-13redhat
redhatrhc-worker-script-0:0.11-1.el7_92026-08-12redhat
redhatgolang-github-danielqsj-kafka_exporter2026-08-12redhat
redhatcontainer-tools:rhel8-8060020260803064027.ad008a3a2026-08-06redhat
redhatcontainer-tools:rhel8-8080020260721142025.63b345852026-08-04redhat
redhatrhc-1:0.2.2-1.el9_2.32026-08-03redhat
redhatrhc-1:0.2.4-8.el9_42026-08-03redhat
redhatosbuild-composer-0:101.5-1.el8_102026-07-31redhat
redhatgrafana-pcp-0:5.1.1-5.el9_2.12026-07-29redhat
redhatgrafana-pcp-0:5.1.1-8.el9_42026-07-29redhat
redhatgolang-0:1.25.9-1.el9_22026-07-29redhat

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

(6 across 5 ecosystems)
Debian:14(2)
PackageVulnerable rangeFixed inDependents
golang-1.251.25.0-1 ... 1.25.8-1 (9 versions)1.25.9-1—
golang-1.261.26.0-1, 1.26.1-1, 1.26~rc2-1, 1.26~rc3-1, 1.26~rc3-21.26.2-1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
golang-1.151.15.15-1 ... 1.15.9-6 (10 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
golang-1.191.19.10-1 ... 1.19.9-1 (12 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
golang-1.241.24.12-1 ... 1.24.9-1 (10 versions)——
Go(1)
PackageVulnerable rangeFixed inDependents
stdlib—1.26.2—

Weakness Classification(2)

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

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 27× in last 7d / 115× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 361 total refreshes for this CVE.

  1. 2026-09-18 19:28 UTCEPSS rescore
  2. 2026-09-18 19:27 UTCEPSS rescore
  3. 2026-09-18 13:18 UTCVendor advisory
  4. 2026-09-18 13:18 UTCGHSA enrichment
  5. 2026-09-18 12:20 UTCEG score recompute
  6. 2026-09-18 12:20 UTCVendor advisory
  7. 2026-09-18 12:20 UTCGHSA enrichment
  8. 2026-09-17 19:30 UTCEPSS rescore
  9. 2026-09-17 12:19 UTCVendor advisory
  10. 2026-09-17 12:19 UTCGHSA enrichment
  11. 2026-09-17 12:11 UTCEG score recompute
  12. 2026-09-17 12:11 UTCVendor advisory
  13. 2026-09-17 12:11 UTCGHSA enrichment
  14. 2026-09-16 14:08 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-15 12:32 UTCVendor advisory
  17. 2026-09-15 12:31 UTCGHSA enrichment
  18. 2026-09-15 12:14 UTCEG score recompute
  19. 2026-09-15 12:14 UTCVendor advisory
  20. 2026-09-15 12:14 UTCGHSA enrichment
  21. 2026-09-14 13:39 UTCVendor advisory
  22. 2026-09-14 13:39 UTCGHSA enrichment
  23. 2026-09-14 12:35 UTCEG score recompute
  24. 2026-09-14 12:35 UTCVendor advisory
  25. 2026-09-14 12:35 UTCGHSA enrichment
Show 75 more
  1. 2026-09-13 16:47 UTCEPSS rescore
  2. 2026-09-12 15:01 UTCEPSS rescore
  3. 2026-09-11 14:52 UTCEPSS rescore
  4. 2026-09-11 13:25 UTCVendor advisory
  5. 2026-09-11 13:25 UTCGHSA enrichment
  6. 2026-09-11 12:21 UTCEG score recompute
  7. 2026-09-11 12:21 UTCVendor advisory
  8. 2026-09-11 12:21 UTCGHSA enrichment
  9. 2026-09-10 13:22 UTCVendor advisory
  10. 2026-09-10 13:22 UTCGHSA enrichment
  11. 2026-09-10 12:28 UTCEG score recompute
  12. 2026-09-10 12:28 UTCVendor advisory
  13. 2026-09-10 12:28 UTCGHSA enrichment
  14. 2026-09-10 09:34 UTCEPSS rescore
  15. 2026-09-09 13:42 UTCVendor advisory
  16. 2026-09-09 13:42 UTCGHSA enrichment
  17. 2026-09-09 12:40 UTCEG score recompute
  18. 2026-09-09 12:40 UTCVendor advisory
  19. 2026-09-09 12:40 UTCGHSA enrichment
  20. 2026-09-08 22:00 UTCEPSS rescore
  21. 2026-09-07 16:01 UTCEPSS rescore
  22. 2026-09-07 14:00 UTCVendor advisory
  23. 2026-09-07 14:00 UTCGHSA enrichment
  24. 2026-09-07 13:17 UTCEG score recompute
  25. 2026-09-07 13:17 UTCVendor advisory
  26. 2026-09-07 13:16 UTCGHSA enrichment
  27. 2026-09-06 13:47 UTCEPSS rescore
  28. 2026-09-06 13:47 UTCEPSS rescore
  29. 2026-09-04 13:29 UTCVendor advisory
  30. 2026-09-04 13:29 UTCGHSA enrichment
  31. 2026-09-04 12:23 UTCEG score recompute
  32. 2026-09-04 12:23 UTCVendor advisory
  33. 2026-09-04 12:23 UTCGHSA enrichment
  34. 2026-09-04 05:06 UTCEPSS rescore
  35. 2026-09-02 14:11 UTCEPSS rescore
  36. 2026-09-02 13:43 UTCVendor advisory
  37. 2026-09-02 13:43 UTCGHSA enrichment
  38. 2026-09-02 12:39 UTCEG score recompute
  39. 2026-09-02 12:39 UTCVendor advisory
  40. 2026-09-02 12:39 UTCGHSA enrichment
  41. 2026-09-01 13:53 UTCEPSS rescore
  42. 2026-09-01 12:23 UTCEG score recompute
  43. 2026-09-01 12:23 UTCVendor advisory
  44. 2026-09-01 12:22 UTCGHSA enrichment
  45. 2026-09-01 04:39 UTCEPSS rescore
  46. 2026-09-01 04:39 UTCEPSS rescore
  47. 2026-08-30 19:17 UTCEPSS rescore
  48. 2026-08-30 01:22 UTCEPSS rescore
  49. 2026-08-28 21:41 UTCEPSS rescore
  50. 2026-08-28 16:48 UTCVendor advisory
  51. 2026-08-28 16:48 UTCGHSA enrichment
  52. 2026-08-28 16:00 UTCEG score recompute
  53. 2026-08-28 16:00 UTCVendor advisory
  54. 2026-08-28 16:00 UTCGHSA enrichment
  55. 2026-08-27 14:25 UTCEPSS rescore
  56. 2026-08-27 13:36 UTCVendor advisory
  57. 2026-08-27 13:36 UTCGHSA enrichment
  58. 2026-08-27 13:03 UTCVendor advisory
  59. 2026-08-27 13:03 UTCGHSA enrichment
  60. 2026-08-26 16:12 UTCEG score recompute
  61. 2026-08-26 16:12 UTCVendor advisory
  62. 2026-08-26 16:12 UTCGHSA enrichment
  63. 2026-08-26 14:46 UTCEPSS rescore
  64. 2026-08-26 12:23 UTCEG score recompute
  65. 2026-08-26 12:23 UTCVendor advisory
  66. 2026-08-26 12:23 UTCGHSA enrichment
  67. 2026-08-25 13:49 UTCEPSS rescore
  68. 2026-08-25 13:25 UTCVendor advisory
  69. 2026-08-25 13:25 UTCGHSA enrichment
  70. 2026-08-25 12:22 UTCEG score recompute
  71. 2026-08-25 12:22 UTCVendor advisory
  72. 2026-08-25 12:22 UTCGHSA enrichment
  73. 2026-08-24 14:17 UTCEPSS rescore
  74. 2026-08-24 13:31 UTCVendor advisory
  75. 2026-08-24 13:31 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-32283?
CVE-2026-32283 is a high vulnerability published on April 8, 2026. If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
When was CVE-2026-32283 disclosed?
CVE-2026-32283 was first published in the National Vulnerability Database on April 8, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-32283 actively exploited?
CVE-2026-32283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 51.6% of all scored CVEs.
What is the CVSS score of CVE-2026-32283?
CVE-2026-32283 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-32283?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-32283, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-32283

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