OSV-2026-1126
Heap-buffer-overflow in isvcd_nal_byte_swap_emulation
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543374000
Crash type: Heap-buffer-overflow WRITE 4
Crash state:
isvcd_nal_byte_swap_emulation
isvcd_nal_parse_vcl_nal_partial
isvcd_pre_parse_refine_au
What each source reports
OSV No score
Heap-buffer-overflow in isvcd_nal_byte_swap_emulation
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543374000
Crash type: Heap-buffer-overflow WRITE 4
Crash state:
isvcd_nal_byte_swap_emulation
isvcd_nal_parse_vcl_nal_partial
isvcd_pre_parse_refine_au
- Record
OSV-2026-1126- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libavcOSS-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-2026-1126 is a vulnerability with no CVSS score yet in libavc, published August 8, 2026. No source lists public exploit code. A source reports a fix.