CVE-2026-38349

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-08-28. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated 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: 0%CVSS: 7.5Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An integer overflow in the hScale16To19_c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted image file.

CVSS v3
7.5
EG Score
7.5(high)
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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

August 27, 2026

Last Modified

September 9, 2026

Advisory Details (1)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

#21592 - [Bug Report] signed integer overflow @ libswscale/output.c:1292:39 - FFmpeg/FFmpeg - FFmpeg Forgejo

https://code.ffmpeg.org/FFmpeg/FFmpeg/issues/21592

Vendor Advisories for CVE-2026-38349(1)

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

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
ffmpeg7:5.1.3-1 ... 7:5.1.8-0+deb12u1 (7 versions)7:5.1.9-0+deb12u1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
ffmpeg7:7.1.1-1, 7:7.1.2-0+deb13u1, 7:7.1.2-1, 7:7.1.3-0+deb13u1, 7:7.1.3-17:7.1.4-0+deb13u1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
ffmpeg7:7.1.1-1 ... 7:8.0.1-3 (8 versions)7:8.1-1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 29× in last 7d / 104× 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 104 total refreshes for this CVE.

  1. 2026-09-21 00:51 UTCEG score recompute
  2. 2026-09-21 00:51 UTCGHSA enrichment
  3. 2026-09-20 20:15 UTCEPSS rescore
  4. 2026-09-20 14:00 UTCGHSA enrichment
  5. 2026-09-20 03:10 UTCGHSA enrichment
  6. 2026-09-19 16:20 UTCEG score recompute
  7. 2026-09-19 16:20 UTCGHSA enrichment
  8. 2026-09-19 05:30 UTCEG score recompute
  9. 2026-09-19 05:30 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 19:28 UTCEPSS rescore
  12. 2026-09-18 18:38 UTCGHSA enrichment
  13. 2026-09-18 07:46 UTCGHSA enrichment
  14. 2026-09-17 20:56 UTCEG score recompute
  15. 2026-09-17 20:56 UTCGHSA enrichment
  16. 2026-09-17 19:30 UTCEPSS rescore
  17. 2026-09-17 09:29 UTCGHSA enrichment
  18. 2026-09-16 22:39 UTCEG score recompute
  19. 2026-09-16 22:39 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 11:41 UTCEG score recompute
  22. 2026-09-16 11:41 UTCGHSA enrichment
  23. 2026-09-16 05:15 UTCEPSS rescore
  24. 2026-09-16 00:51 UTCGHSA enrichment
  25. 2026-09-15 14:01 UTCGHSA enrichment
Show 75 more
  1. 2026-09-15 03:11 UTCEG score recompute
  2. 2026-09-15 03:11 UTCGHSA enrichment
  3. 2026-09-15 03:11 UTCEPSS rescore
  4. 2026-09-14 16:21 UTCGHSA enrichment
  5. 2026-09-14 05:31 UTCGHSA enrichment
  6. 2026-09-13 18:41 UTCEG score recompute
  7. 2026-09-13 18:41 UTCGHSA enrichment
  8. 2026-09-13 16:47 UTCEPSS rescore
  9. 2026-09-13 07:50 UTCGHSA enrichment
  10. 2026-09-12 21:01 UTCEG score recompute
  11. 2026-09-12 21:01 UTCGHSA enrichment
  12. 2026-09-12 15:01 UTCEPSS rescore
  13. 2026-09-12 10:11 UTCGHSA enrichment
  14. 2026-09-11 23:21 UTCEG score recompute
  15. 2026-09-11 23:21 UTCGHSA enrichment
  16. 2026-09-11 14:53 UTCEPSS rescore
  17. 2026-09-11 11:52 UTCEG score recompute
  18. 2026-09-11 11:52 UTCGHSA enrichment
  19. 2026-09-11 09:37 UTCEPSS rescore
  20. 2026-09-11 00:41 UTCGHSA enrichment
  21. 2026-09-10 13:51 UTCEG score recompute
  22. 2026-09-10 13:51 UTCGHSA enrichment
  23. 2026-09-10 09:34 UTCEPSS rescore
  24. 2026-09-10 03:01 UTCGHSA enrichment
  25. 2026-09-09 16:10 UTCGHSA enrichment
  26. 2026-09-09 11:36 UTCGHSA enrichment
  27. 2026-09-09 00:46 UTCEG score recompute
  28. 2026-09-09 00:46 UTCGHSA enrichment
  29. 2026-09-08 22:00 UTCEPSS rescore
  30. 2026-09-08 06:46 UTCGHSA enrichment
  31. 2026-09-07 19:55 UTCEG score recompute
  32. 2026-09-07 19:55 UTCGHSA enrichment
  33. 2026-09-07 16:01 UTCEPSS rescore
  34. 2026-09-07 09:04 UTCGHSA enrichment
  35. 2026-09-06 22:14 UTCEG score recompute
  36. 2026-09-06 22:14 UTCGHSA enrichment
  37. 2026-09-06 13:47 UTCEPSS rescore
  38. 2026-09-06 11:23 UTCGHSA enrichment
  39. 2026-09-06 00:32 UTCEG score recompute
  40. 2026-09-06 00:32 UTCGHSA enrichment
  41. 2026-09-05 13:41 UTCGHSA enrichment
  42. 2026-09-05 02:48 UTCGHSA enrichment
  43. 2026-09-04 15:57 UTCEG score recompute
  44. 2026-09-04 15:57 UTCGHSA enrichment
  45. 2026-09-04 05:06 UTCEPSS rescore
  46. 2026-09-04 05:06 UTCGHSA enrichment
  47. 2026-09-03 18:16 UTCGHSA enrichment
  48. 2026-09-03 07:25 UTCGHSA enrichment
  49. 2026-09-02 20:32 UTCEG score recompute
  50. 2026-09-02 20:32 UTCGHSA enrichment
  51. 2026-09-02 14:12 UTCEPSS rescore
  52. 2026-09-02 09:13 UTCGHSA enrichment
  53. 2026-09-01 22:22 UTCEG score recompute
  54. 2026-09-01 22:22 UTCGHSA enrichment
  55. 2026-09-01 13:53 UTCEPSS rescore
  56. 2026-09-01 11:32 UTCEG score recompute
  57. 2026-09-01 11:32 UTCGHSA enrichment
  58. 2026-09-01 04:39 UTCEPSS rescore
  59. 2026-09-01 00:38 UTCGHSA enrichment
  60. 2026-08-31 13:48 UTCGHSA enrichment
  61. 2026-08-31 02:54 UTCEG score recompute
  62. 2026-08-31 02:54 UTCGHSA enrichment
  63. 2026-08-30 19:17 UTCEPSS rescore
  64. 2026-08-30 16:04 UTCGHSA enrichment
  65. 2026-08-30 05:14 UTCEG score recompute
  66. 2026-08-30 05:14 UTCGHSA enrichment
  67. 2026-08-30 01:22 UTCEPSS rescore
  68. 2026-08-29 18:24 UTCGHSA enrichment
  69. 2026-08-29 07:34 UTCEG score recompute
  70. 2026-08-29 07:34 UTCGHSA enrichment
  71. 2026-08-28 21:41 UTCEPSS rescore
  72. 2026-08-28 20:43 UTCGHSA enrichment
  73. 2026-08-28 19:42 UTCEG score recompute▲ 7.50
  74. 2026-08-28 19:42 UTCGHSA enrichment
  75. 2026-08-28 19:36 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-38349?
CVE-2026-38349 is a high vulnerability published on August 27, 2026. An integer overflow in the hScale16To19_c() function (libswscale/output.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via supplying a crafted image file.
When was CVE-2026-38349 disclosed?
CVE-2026-38349 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38349 actively exploited?
CVE-2026-38349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 74.3% of all scored CVEs.
What is the CVSS score of CVE-2026-38349?
CVE-2026-38349 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-38349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38349, 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

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