Description
A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| strukturag | libheif | 1.21.0, 1.21.1, 1.21.2 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libheif | 1.23.1-1 | — |
| Debian 13 | libheif | 1.23.1-1 | — |
| Debian 12 | libheif | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | libheif | 1.23.0-150700.3.15.1 | SUSE-SU-2026:2622-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | libheif | 1.23.0-160000.1.1 | SUSE-SU-2026:22153-1 |
| SLES 16.0 | libheif | 1.23.0-160000.1.1 | SUSE-SU-2026:22153-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libheif | 1.21.2-2.1 | openSUSE-SU-2026:10460-1 |
| openSUSE Leap 16.0 | libheif | 1.23.0-160000.1.1 | openSUSE-SU-2026:20974-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | libheif +3 | 1.19.8-1.amzn2023.0.4 | ALAS2023-2026-1509 |
Advisories 5
- SUSE-SU-2026:2622-1 Security update for libheif SUSE / openSUSE Security Updates · Jun 25, 2026
- openSUSE-SU-2026:20974-1 Security update for libheif SUSE / openSUSE Security Updates · Jun 24, 2026
- SUSE-SU-2026:22153-1 Security update for libheif SUSE / openSUSE Security Updates · Jun 24, 2026
- ALAS2023-2026-1509 Low: libheif security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 1, 2026
- openSUSE-SU-2026:10460-1 gdk-pixbuf-loader-libheif-1.21.2-2.1 on GA media SUSE / openSUSE Security Updates · Mar 30, 2026
References
- VDB-350381 | strukturag libheif HEIF File decoder_vvdec.cc vvdec_push_data2 out-of-bounds vdb-entry technical-description
- VDB-350381 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #765979 | strukturag libheif 1.21.2 Out-of-Bounds Read third-party-advisory
- https://github.com/strukturag/libheif/issues/1712 issue-tracking
- https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531 issue-tracking
- https://github.com/biniamf/pocs/tree/main/libheif_vvdec exploit
- https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03 patch
- https://github.com/strukturag/libheif/ product