Vulnerability DatabaseCVE-2026-125193
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CVE-2026-125193
Published:November 09, 2026
Updated:November 14, 2026
FFmpeg through 9.0.2 contains an out-of-bounds read vulnerability in bitpacked_decode_uyvy422() in libavcodec/bitpacked_dec.c because it never verifies packets hold width * height * 2 bytes. Attackers can supply truncated bitpacked UYVY422 packets via crafted SDP/RFC 4175 RTP sessions or raw input to crash applications or expose adjacent heap memory.
Related Resources (8)
https://github.com/FFmpeg/FFmpeg
https://nvd.nist.gov/vuln/detail/CVE-2026-125193
https://code.ffmpeg.org/FFmpeg/FFmpeg
https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-out-of-bounds-read-via-bitpacked-decode-uyvy422
https://github.com/FFmpeg/FFmpeg/commit/f1205ee01893a3b509d96b5fe3aeda755c517973
https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavcodec/bitpacked_dec.c#L52
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125193.json
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/25702
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CVSS v4
Base Score:
6.9
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.13