# CVE-2025-26416: 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.

- Web page: https://patchblox.com/security/cve/CVE-2025-26416
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0054
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 2, 2025

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | webkit2gtk Debian 13.5 (trixie) | 2.54.0-1~deb13u1 | [DEBIAN-CVE-2025-26416](https://patchblox.com/security/data/fix/linux/debian-cve-2025-26416.md) | Sep 2, 2025 |
| Linux | webkit2gtk3 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3 sles 15.6 | 2.54.1-150600.12.81.3 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3 sles 15.7 | 2.54.1-150600.12.81.3 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3 sles 16.0 | 2.54.1-160000.1.1 | [SUSE-SU-2026:24225-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24225-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3-soup2 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3-soup2 sles 15.6 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk3-soup2 sles 15.7 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk4 opensuse-leap 16.0 | 2.54.1-160000.1.1 | [OPENSUSE-SU-2026:22076-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22076-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk4 sles 15.6 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk4 sles 15.7 | 2.54.1-150600.12.81.4 | [SUSE-SU-2026:4858-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4858-1.md) | Nov 7, 2026 |
| Linux | webkit2gtk4 sles 16.0 | 2.54.1-160000.1.1 | [SUSE-SU-2026:24225-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-24225-1.md) | Nov 7, 2026 |
| Linux | wpewebkit Debian 14 | 2.54.0-1 | [DEBIAN-CVE-2025-26416](https://patchblox.com/security/data/fix/linux/debian-cve-2025-26416.md) | Sep 2, 2025 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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