FFmpeg before 8.1.3 and 9.x before 9.0.2 contains a heap buffer overflow vulnerability in the DVD subtitle encoder that underestimates RLE output size for odd-width rectangles. Attackers can supply files with crafted bitmap subtitles that, when transcoded to the dvdsub encoder, write past the output buffer and corrupt heap memory.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 09 Nov 2026 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | FFmpeg before 8.1.3 and 9.x before 9.0.2 contains a heap buffer overflow vulnerability in the DVD subtitle encoder that underestimates RLE output size for odd-width rectangles. Attackers can supply files with crafted bitmap subtitles that, when transcoded to the dvdsub encoder, write past the output buffer and corrupt heap memory. | |
| Title | FFmpeg before 8.1.3 and 9.x before 9.0.2 Heap Buffer Overflow via dvdsubenc.c | |
| First Time appeared |
Ffmpeg
Ffmpeg ffmpeg |
|
| Weaknesses | CWE-131 | |
| CPEs | cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Ffmpeg
Ffmpeg ffmpeg |
|
| References |
|
|
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-11-09T19:11:26.674Z
Reserved: 2026-11-09T18:15:15.250Z
Link: CVE-2026-125209
No data.
Status : Received
Published: 2026-11-09T19:16:57.643
Modified: 2026-11-09T19:16:57.643
Link: CVE-2026-125209
No data.
OpenCVE Enrichment
No data.
Weaknesses