FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that allows attackers to leak heap memory into…
FFmpeg 2.3 through 9.0.2 contains a use of uninitialized resource vulnerability in the Huffyuv decoder that allows attackers to leak heap memory into decoded pixels via short packed-BGR bitstreams. Attackers can craft a Huffyuv BGR24/BGRA video whose entropy data ends early, causing decode_slice() to add uninitialized s->temp[0] bytes into output frames, exposing heap contents.
Read at NIST National Vulnerability Database (CVE API 2.0)
- Vendor
- FFmpeg
- Product
- FFmpeg
- CVSS v3.1
- 5.5 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Weakness
- CWE-908
- NVD status
- Received
Why it ranks 18 (Routine)
- CVSS v3.1 5.5 medium
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-120247 on this site · NVD · CVE.org · Vulnpedia
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