PyPI/uefi-firmware CVE-2026-54334: critical 9.8, EPSS 0.80%
UEFI Firmware Parser has a heap out-of-bounds write in tiano decompressor ReadCLen
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 1.12 |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-hm2w-vr2p-hq7w
- https://github.com/theopolis/uefi-firmware-parser/security/advisories/GHSA-hm2w-vr2p-hq7w
- https://github.com/theopolis/uefi-firmware-parser/pull/145
- https://github.com/theopolis/uefi-firmware-parser/commit/bf3dfaa8a05675bae6ea0cbfa082ddcebfcde23e
- https://github.com/theopolis/uefi-firmware-parser
CVE-2026-54334 · published · modified · JSON