Vulnerability · Published Oct 2, 2026 · Assigned by Chrome
CVE-2026-103629
Medium 4.3
In plain English
A medium-severity integer overflow in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 89.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Integer overflow in Skia in Google Chrome prior to 154.0.8037.97 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | webkit2gtk3 | 2.54.2-0.el9_8.2 | ALSA-2026:95194 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.54.2-0.el9_8.2 | ALSA-2026:95194 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.54.2-0.el9_8.2 | ALSA-2026:95194 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.54.2-0.el9_8.2 | ALSA-2026:95194 |
| Debian:12 | chromium | 155.0.8059.39-1~deb12u1 | DEBIAN-CVE-2026-103629 |
| Debian:13 | chromium | 155.0.8059.39-1~deb13u1 | DEBIAN-CVE-2026-103629 |
| Debian:14 | chromium | 155.0.8059.39-1 | DEBIAN-CVE-2026-103629 |
| Debian:14 | libskia | no fix listed | DEBIAN-CVE-2026-103629 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.54.2-0.el9_8.2 | RLSA-2026:95194 |
| Ubuntu:26.04:LTS | libskia | no fix listed | UBUNTU-CVE-2026-103629 |
| Ubuntu:26.10 | libskia | no fix listed | UBUNTU-CVE-2026-103629 |
Affected products (as reported)
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N