HIGHCVSS v3.1 7.0Vulnerability

CVE-2026-125249

FFmpeg 7.1 through 9.0.2 contains an integer overflow in ff_vk_decode_add_slice() in libavcodec/vulkan_decode.c that miscalculates the Vulkan hwaccel bitstream buffer size. Attackers can supply a crafted stream with over 2 GiB of slice data per frame, causing memcpy() to write past a smaller pooled host-mapped buffer.

Properties

Severity
HIGH
Nvd fetched at
2026-11-10T23:33:48.924589+00:00
Epss score
0.00123
Cvss severity
HIGH
Cvss score
7
Retrieved at
2026-11-10T23:35:17+00:00
Last source
FIRST EPSS
Score
7
Cvss version
3.1
Cve id
CVE-2026-125249
Cvss vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
First seen by Signal
2026-11-09T23:18:15+00:00
Name
CVE-2026-125249
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published at
2026-11-09T19:17:03.737
Last modified
2026-11-10T21:46:30.263
Epss percentile
0.02091

Related Entities (1)

HAS_WEAKNESS (1)

Related research

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CVE-2026-125249 (CVSS v3.1 7) — Ninja Signal Threat Intelligence | Ninja Signal