OSV-2026-1294
UNKNOWN WRITE in av1_cdef_mse_calc_frame_mt
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=562150738
Crash type: UNKNOWN WRITE
Crash state:
av1_cdef_mse_calc_frame_mt
av1_cdef_search
encode_with_recode_loop_and_filter
What each source reports
OSV No score
UNKNOWN WRITE in av1_cdef_mse_calc_frame_mt
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=562150738
Crash type: UNKNOWN WRITE
Crash state:
av1_cdef_mse_calc_frame_mt
av1_cdef_search
encode_with_recode_loop_and_filter
- Record
OSV-2026-1294- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libaomOSS-Fuzz |
Commit ranges | Not evaluated |
Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-1294 is a vulnerability with no CVSS score yet in libaom, published September 17, 2026. No source lists public exploit code. A source reports a fix.