# CVE-2026-103629: Chromium CVE-2026-103629: Integer overflow CVE-2026-103629 is fixed in 13 products on 3 platforms, first by Google Chrome Dev (EXE) 155.0.8040.2, released September 4, 2026. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2026-103629 - Priority: High - CVSS: 9.6 (medium) - EPSS: 0.0020 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Oct 2, 2026 - Weakness: CWE-190: Integer overflow - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-103629 ## Description

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Windows apps | Google Chrome (EXE) | 154.0.8037.98 | [Google Chrome (EXE) 154.0.8037.98](https://patchblox.com/security/data/fix/windows-app/google.chrome.exe-154.0.8037.98.md) | Oct 1, 2026 | | Windows apps | Google Chrome Beta (EXE) | 155.0.8059.5 | [Google Chrome Beta (EXE) 155.0.8059.5](https://patchblox.com/security/data/fix/windows-app/google.chrome.beta.exe-155.0.8059.5.md) | Sep 16, 2026 | | Windows apps | Google Chrome Dev (EXE) | 155.0.8040.2 | [Google Chrome Dev (EXE) 155.0.8040.2](https://patchblox.com/security/data/fix/windows-app/google.chrome.dev.exe-155.0.8040.2.md) | Sep 4, 2026 | | Windows apps | Microsoft Edge | 154.0.4258.62 | [Microsoft Edge 154.0.4258.62](https://patchblox.com/security/data/fix/windows-app/microsoft.edge-154.0.4258.62.md) | Oct 5, 2026 | | Windows apps | Microsoft Edge Beta | 155.0.4283.33 | [Microsoft Edge Beta 155.0.4283.33](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.beta-155.0.4283.33.md) | Oct 2, 2026 | | Windows apps | Microsoft Edge Dev | 155.0.4273.0 | [Microsoft Edge Dev 155.0.4273.0](https://patchblox.com/security/data/fix/windows-app/microsoft.edge.dev-155.0.4273.0.md) | Sep 11, 2026 | | Windows apps | Microsoft Edge WebView2 Runtime | 154.0.4258.62 | [Microsoft Edge WebView2 Runtime 154.0.4258.62](https://patchblox.com/security/data/fix/windows-app/microsoft.edgewebview2runtime-154.0.4258.62.md) | Oct 5, 2026 | | macOS | Google Chrome | 154.0.8037.98 | [Google Chrome 154.0.8037.98](https://patchblox.com/security/data/fix/macos/com.google.chrome-154.0.8037.98.md) | Oct 1, 2026 | | macOS | Microsoft Edge | 154.0.4258.62 | [Microsoft Edge 154.0.4258.62](https://patchblox.com/security/data/fix/macos/com.microsoft.edgemac-154.0.4258.62.md) | Oct 4, 2026 | | Linux | chromium Debian 12.15 (bookworm) | 155.0.8059.39-1~deb12u1 | [DEBIAN-CVE-2026-103629](https://patchblox.com/security/data/fix/linux/debian-cve-2026-103629.md) | Oct 12, 2026 | | Linux | chromium Debian 13.5 (trixie) | 155.0.8059.39-1~deb13u1 | [DEBIAN-CVE-2026-103629](https://patchblox.com/security/data/fix/linux/debian-cve-2026-103629.md) | Oct 12, 2026 | | Linux | chromium Debian 14 | 155.0.8059.39-1 | [DEBIAN-CVE-2026-103629](https://patchblox.com/security/data/fix/linux/debian-cve-2026-103629.md) | Oct 12, 2026 | | Linux | chromium opensuse-leap 16.0 | 154.0.8037.97-bp160.1.1 | [OPENSUSE-SU-2026:22023-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-22023-1.md) | Nov 7, 2026 | | Linux | webkit2gtk3 RHEL 9 | 0:2.54.2-0.el9_8.2 | [RHSA-2026:95194](https://patchblox.com/security/data/fix/linux/rhsa-2026-95194.md) | Sep 23, 2026 | | Linux | webkit2gtk3 almalinux 9 | 2.54.2-0.el9_8.2 | [ALSA-2026:95194](https://patchblox.com/security/data/fix/linux/alsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3 ol 9 | 0:2.54.2-0.el9_8.2 | [ELSA-2026-95194](https://patchblox.com/security/data/fix/linux/elsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3 rocky 9 | 0:2.54.2-0.el9_8.2 | [RLSA-2026:95194](https://patchblox.com/security/data/fix/linux/rlsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-devel RHEL 9 | 0:2.54.2-0.el9_8.2 | [RHSA-2026:95194](https://patchblox.com/security/data/fix/linux/rhsa-2026-95194.md) | Sep 23, 2026 | | Linux | webkit2gtk3-devel almalinux 9 | 2.54.2-0.el9_8.2 | [ALSA-2026:95194](https://patchblox.com/security/data/fix/linux/alsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-devel ol 9 | 0:2.54.2-0.el9_8.2 | [ELSA-2026-95194](https://patchblox.com/security/data/fix/linux/elsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-jsc RHEL 9 | 0:2.54.2-0.el9_8.2 | [RHSA-2026:95194](https://patchblox.com/security/data/fix/linux/rhsa-2026-95194.md) | Sep 23, 2026 | | Linux | webkit2gtk3-jsc almalinux 9 | 2.54.2-0.el9_8.2 | [ALSA-2026:95194](https://patchblox.com/security/data/fix/linux/alsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-jsc ol 9 | 0:2.54.2-0.el9_8.2 | [ELSA-2026-95194](https://patchblox.com/security/data/fix/linux/elsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-jsc-devel RHEL 9 | 0:2.54.2-0.el9_8.2 | [RHSA-2026:95194](https://patchblox.com/security/data/fix/linux/rhsa-2026-95194.md) | Sep 23, 2026 | | Linux | webkit2gtk3-jsc-devel almalinux 9 | 2.54.2-0.el9_8.2 | [ALSA-2026:95194](https://patchblox.com/security/data/fix/linux/alsa-2026-95194.md) | Nov 7, 2026 | | Linux | webkit2gtk3-jsc-devel ol 9 | 0:2.54.2-0.el9_8.2 | [ELSA-2026-95194](https://patchblox.com/security/data/fix/linux/elsa-2026-95194.md) | Nov 7, 2026 | --- Data as of 2026-11-10T01:44:33Z UTC. 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