Read the docs
TI-2026-29613 Aliases CVE-2026-40962GHSA-48wr-p98v-9w5h

Integer overflow in FFmpeg

Priority MEDIUM 41CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

Summary

FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00134 2nd percentileScored 2026-11-07
Fix Partial FFmpeg (FFmpeg): 8.1Red Hat: 11 advisoriesRed Hat: 2 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FFmpegFFmpeg4.1 to before 8.18.1Patch availableCNA
  • FFmpeg VendorFFmpeg Affected 4.1 to before 8.1 Fixed in 8.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*before 8.1VulnerableFFmpeg
  • cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* Versions before 8.1 Vulnerable ·FFmpeg

Remediation

  • Fix · CNA FFmpeg (FFmpeg) Fixed in 8.1

Red Hat 11 advisories

  • RHSA-2026:82923 Released 2026-10-14 · Red Hat rating Important
    Red Hat AI Base Images 3.2.5 (ROCm 7.0)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-rocm-rhel9
  • RHSA-2026:82921 Released 2026-10-14 · Red Hat rating Important
    Red Hat AI Base Images 3.2.5 (CUDA 12.9)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-cuda-rhel9
  • RHSA-2026:82759 Released 2026-10-14 · Red Hat rating Important
    Red Hat AI Base Images 3.2.5 (CPU)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-cpu-rhel9
Show 8 more Red Hat advisories
  • RHSA-2026:82750 Released 2026-10-14 · Red Hat rating Important
    Red Hat AI Base Images 3.2.5 (Spyre)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-spyre-rhel9
  • RHSA-2026:81128 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (CPU)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-cpu-rhel9
  • RHSA-2026:80760 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (Spyre)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-spyre-rhel9
  • RHSA-2026:80757 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (ROCm 7.0)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-rocm-rhel9
  • RHSA-2026:80739 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (CUDA 12.9)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-cuda-rhel9
  • RHSA-2026:80740 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (ROCm 6.4)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-rocm-rhel9
  • RHSA-2026:80735 Released 2026-10-12 · Red Hat rating Important
    Red Hat AI Base Images 3.2.4 (TPU)
    • Red Hat OpenShift AI 3.2 registry.redhat.io/rhai/base-image-tpu-rhel9
  • RHSA-2026:74089 Released 2026-09-30 · Red Hat rating Moderate
    RHEL AI 3.0 RPM runtime CVE fix - ffmpeg
    • Red Hat Enterprise Linux AI 3.0 for RHEL 9 ffmpeg-6.1.6-9.el9ai, ffmpeg-free-rhai-6.1.6-9.el9ai, ffmpeg-free-rhai-devel-6.1.6-9.el9ai +16

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Lightspeed CoreAffectedNo fix yet
Red Hat Enterprise Linux AI (RHEL AI) 3AffectedNo fix yet
Red Hat OpenShift AI (RHOAI)AffectedNo fix yet
Red Hat Enterprise Linux AI 3.0 for RHEL 9Fixed RHSA-2026:74089
Red Hat OpenShift AI 3.2Fixed RHSA-2026:80735, RHSA-2026:80739, RHSA-2026:80740, RHSA-2026:80757, RHSA-2026:80760, RHSA-2026:81128, RHSA-2026:82750, RHSA-2026:82759, RHSA-2026:82921, RHSA-2026:82923

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40962
  2. 2026-10-03 Alias added: GHSA-48wr-p98v-9w5h
  3. 2026-10-13 Fix available: RHSA-2026:80735 · Red Hat
  4. 2026-10-13 Fix available: RHSA-2026:80739 · Red Hat
  5. 2026-10-13 Fix available: RHSA-2026:80740 · Red Hat
  6. 2026-10-13 Fix available: RHSA-2026:80757 · Red Hat
  7. 2026-10-13 Fix available: RHSA-2026:80760 · Red Hat
  8. 2026-10-13 Fix available: RHSA-2026:81128 · Red Hat
  9. 2026-10-13 Fix available: Red Hat OpenShift AI 3.2 · Red Hat
  10. 2026-10-15 Fix available: RHSA-2026:82750 · Red Hat
  11. 2026-10-15 Fix available: RHSA-2026:82921 · Red Hat
  12. 2026-10-15 Fix available: RHSA-2026:82923 · Red Hat
  13. 2026-10-15 Fix available: RHSA-2026:82759 · Red Hat
  14. 2026-10-16 Affected versions changed · Red Hat

References

Patch 1

  • TI-2025-19015 FFmpeg git-master before commit d5873b was discovered to contain a memory leak in the component libavutil/iamf.c. CVSS 3.1HIGH 8.8
  • TI-2024-21238 FFmpeg 7.0 contains a heap-buffer-overflow at libavfilter/vf_tiltandshift.c:189:5 in copy_column. CVSS 3.1HIGH 8.4
  • TI-2023-06050 Ffmpeg: null pointer dereference in ffmpeg hls parsing CVSS 3.1HIGH 7.5
  • TI-2023-28420 Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to… CVSS 3.1HIGH 8.0
  • TI-2023-27357 FFmpeg v.n6.1-3-g466799d4f5 allows a heap-based buffer overflow via the… CVSS 3.1HIGH 8.0
  • TI-2023-27044 Buffer Overflow vulnerability in FFmpeg version n6.1-3-g466799d4f5, allows a local… CVSS 3.1HIGH 8.0
See all 514 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences