A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.
CVE-2026-38752
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-16. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- 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 computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 28%
- KEV
- Not listed
Published
July 15, 2026
Last Modified
July 20, 2026
Advisory Details (2)
Auto-updated Jul 16, 2026[PATCH] awk: fix stack overflow in evaluate()
https://lists.busybox.net/pipermail/busybox/2026-June/092351.htmlVendor Advisories for CVE-2026-38752(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2026-38752Microsoft Security Response Center (MSRC)Low
A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AWK script.
- RHSA-2026:42074Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
- GHSA-fj27-x67r-v4g5GitHub Security AdvisoriesHigh
A stack overflow in the evaluate() function (editors/awk.c) of BusyBox commit 371fe9 allows...
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | busybox-main-1.37.0-8.2.hum1 | 2026-07-20 | redhat |
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
(4 across 4 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| busybox | 1:1.30.1-6 ... 1:1.38.0-3 (35 versions) | — | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| busybox | 1:1.35.0-4 ... 1:1.38.0-3 (28 versions) | — | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| busybox | 1:1.37.0-10 ... 1:1.38.0-3 (9 versions) | — | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| busybox | 1:1.37.0-10 ... 1:1.38.0-2 (8 versions) | 1:1.38.0-3 | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 91× 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 254 total refreshes for this CVE.
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 04:48 UTCEG score recompute
- 2026-09-18 04:48 UTCVendor advisory
- 2026-09-18 04:48 UTCGHSA enrichment
- 2026-09-17 19:30 UTCEPSS rescore
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-15 03:11 UTCEPSS rescore
- 2026-09-13 23:14 UTCEG score recompute
- 2026-09-13 23:14 UTCVendor advisory
- 2026-09-13 23:14 UTCGHSA enrichment
- 2026-09-13 16:47 UTCEPSS rescore
- 2026-09-13 07:27 UTCEG score recompute
- 2026-09-13 07:27 UTCVendor advisory
- 2026-09-13 07:27 UTCGHSA enrichment
- 2026-09-12 15:01 UTCEPSS rescore
- 2026-09-12 13:06 UTCVendor advisory
- 2026-09-12 13:06 UTCGHSA enrichment
- 2026-09-11 21:50 UTCEG score recompute
- 2026-09-11 21:50 UTCVendor advisory
- 2026-09-11 21:50 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 09:37 UTCEPSS rescore
- 2026-09-10 09:34 UTCEPSS rescore
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- 2026-09-08 22:00 UTCEPSS rescore
- 2026-09-08 00:59 UTCEG score recompute
- 2026-09-08 00:59 UTCVendor advisory
- 2026-09-08 00:59 UTCGHSA enrichment
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 13:30 UTCVendor advisory
- 2026-09-06 13:30 UTCGHSA enrichment
- 2026-09-05 20:54 UTCEG score recompute
- 2026-09-05 20:54 UTCVendor advisory
- 2026-09-05 20:54 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-01 13:53 UTCEPSS rescore
- 2026-09-01 04:39 UTCEPSS rescore
- 2026-08-31 06:00 UTCEG score recompute
- 2026-08-31 06:00 UTCVendor advisory
- 2026-08-31 06:00 UTCGHSA enrichment
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 16:59 UTCVendor advisory
- 2026-08-30 16:59 UTCGHSA enrichment
- 2026-08-30 03:59 UTCEG score recompute
- 2026-08-30 03:59 UTCVendor advisory
- 2026-08-30 03:59 UTCGHSA enrichment
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-27 21:28 UTCEG score recompute
- 2026-08-27 21:28 UTCVendor advisory
- 2026-08-27 21:28 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 02:59 UTCEG score recompute
- 2026-08-27 02:59 UTCVendor advisory
- 2026-08-27 02:59 UTCGHSA enrichment
- 2026-08-26 14:46 UTCEPSS rescore
- 2026-08-26 13:59 UTCVendor advisory
- 2026-08-26 13:59 UTCGHSA enrichment
- 2026-08-26 00:59 UTCEG score recompute
- 2026-08-26 00:59 UTCVendor advisory
- 2026-08-26 00:59 UTCGHSA enrichment
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-25 11:50 UTCVendor advisory
- 2026-08-25 11:50 UTCGHSA enrichment
- 2026-08-24 22:44 UTCEG score recompute
- 2026-08-24 22:44 UTCVendor advisory
- 2026-08-24 22:44 UTCGHSA enrichment
- 2026-08-24 09:43 UTCEG score recompute
- 2026-08-24 09:43 UTCVendor advisory
- 2026-08-24 09:43 UTCGHSA enrichment
- 2026-08-23 20:43 UTCVendor advisory
- 2026-08-23 20:43 UTCGHSA enrichment
- 2026-08-23 07:43 UTCEG score recompute
- 2026-08-23 07:43 UTCVendor advisory
- 2026-08-23 07:43 UTCGHSA enrichment
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 18:43 UTCVendor advisory
- 2026-08-22 18:43 UTCGHSA enrichment
- 2026-08-22 05:43 UTCEG score recompute
- 2026-08-22 05:43 UTCVendor advisory
- 2026-08-22 05:43 UTCGHSA enrichment
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 16:43 UTCVendor advisory
- 2026-08-21 16:43 UTCGHSA enrichment
- 2026-08-21 03:43 UTCEG score recompute
- 2026-08-21 03:43 UTCVendor advisory
- 2026-08-21 03:43 UTCGHSA enrichment
- 2026-08-20 22:55 UTCEPSS rescore
- 2026-08-20 14:43 UTCVendor advisory
- 2026-08-20 14:43 UTCGHSA enrichment
- 2026-08-20 01:43 UTCEG score recompute
- 2026-08-20 01:43 UTCVendor advisory
- 2026-08-20 01:43 UTCGHSA enrichment
- 2026-08-19 17:03 UTCEPSS rescore
- 2026-08-19 12:41 UTCVendor advisory
- 2026-08-19 12:41 UTCGHSA enrichment
- 2026-08-18 23:41 UTCEG score recompute
Frequently asked(5)
What is CVE-2026-38752?
When was CVE-2026-38752 disclosed?
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What is the CVSS score of CVE-2026-38752?
How do I remediate CVE-2026-38752?
Dependency Blast Radius
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