CVE-2026-84383
Public on 2026-09-04
Modified on 2026-09-04
Description
GHSA-g89c-p67h-r497: Heap buffer overflow in `scale_nearest_neighbor()` via duplicate Alpha planes from nested `iden`/`auxl` items
NOTE: https://github.com/strukturag/libheif/security/advisories/GHSA-g89c-p67h-r497
NOTE: Introduced after: https://github.com/strukturag/libheif/commit/de9d2b951761ffcca2c835d190c52903c2a6bc26 (v1.22.0)
NOTE: Fixed by: https://github.com/strukturag/libheif/commit/f4fb8bde4704ebb46e46ff9fb94407c9774153b2 (v1.23.2)
NOTE: https://github.com/strukturag/libheif/security/advisories/GHSA-g89c-p67h-r497
NOTE: Introduced after: https://github.com/strukturag/libheif/commit/de9d2b951761ffcca2c835d190c52903c2a6bc26 (v1.22.0)
NOTE: Fixed by: https://github.com/strukturag/libheif/commit/f4fb8bde4704ebb46e46ff9fb94407c9774153b2 (v1.23.2)
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2023 | libheif | Not Affected | ||
| Amazon Linux 2027 Preview | libheif | Pending Fix |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H |