| Name | CVE-2026-84383 |
| Description | GHSA-g89c-p67h-r497: Heap buffer overflow in `scale_nearest_neighbor()` via duplicate Alpha planes from nested `iden`/`auxl` items |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libheif (PTS) | bookworm, bookworm (security) | 1.15.1-1+deb12u1 | fixed |
| trixie | 1.19.8-1 | fixed |
| trixie (security) | 1.19.8-1+deb13u1 | fixed |
| forky | 1.23.2-1 | fixed |
| sid | 1.23.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libheif | source | bookworm | (not affected) | | | |
| libheif | source | trixie | (not affected) | | | |
| libheif | source | (unstable) | 1.23.2-1 | | | |
Notes
[trixie] - libheif <not-affected> (Vulnerable code not present, introduced in 1.22)
[bookworm] - libheif <not-affected> (Vulnerable code not present, introduced in 1.22)
https://github.com/strukturag/libheif/security/advisories/GHSA-g89c-p67h-r497
Introduced after: https://github.com/strukturag/libheif/commit/de9d2b951761ffcca2c835d190c52903c2a6bc26 (v1.22.0)
Fixed by: https://github.com/strukturag/libheif/commit/f4fb8bde4704ebb46e46ff9fb94407c9774153b2 (v1.23.2)