webkit2gtk: In initializeSwizzler of SkBmpStandardCodec.cpp, there is a possible out of bounds write due to a heap buffer overflow
CVE-2025-26416 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2025-26416, released September 2, 2025. It is not reported as exploited. Patch Radar priority: Urgent.
In initializeSwizzler of SkBmpStandardCodec.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| webkit2gtk · Debian 13.5 (trixie) | 2.54.0-1~deb13u1 | DEBIAN-CVE-2025-26416 | Sep 2, 2025 |
| webkit2gtk3 · opensuse-leap 16.0 | 2.54.1-160000.1.1 | OPENSUSE-SU-2026:22076-1 | Nov 7, 2026 |
| webkit2gtk3 · sles 15.6 | 2.54.1-150600.12.81.3 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk3 · sles 15.7 | 2.54.1-150600.12.81.3 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk3 · sles 16.0 | 2.54.1-160000.1.1 | SUSE-SU-2026:24225-1 | Nov 7, 2026 |
| webkit2gtk3-soup2 · opensuse-leap 16.0 | 2.54.1-160000.1.1 | OPENSUSE-SU-2026:22076-1 | Nov 7, 2026 |
| webkit2gtk3-soup2 · sles 15.6 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk3-soup2 · sles 15.7 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk4 · opensuse-leap 16.0 | 2.54.1-160000.1.1 | OPENSUSE-SU-2026:22076-1 | Nov 7, 2026 |
| webkit2gtk4 · sles 15.6 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk4 · sles 15.7 | 2.54.1-150600.12.81.4 | SUSE-SU-2026:4858-1 | Nov 7, 2026 |
| webkit2gtk4 · sles 16.0 | 2.54.1-160000.1.1 | SUSE-SU-2026:24225-1 | Nov 7, 2026 |
| wpewebkit · Debian 14 | 2.54.0-1 | DEBIAN-CVE-2025-26416 | Sep 2, 2025 |
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