Vulnerability · Published Oct 20, 2026 · Assigned by Chrome
CVE-2026-113273
High 8.8
In plain English
A high-severity heap buffer 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 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 59.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer overflow in ANGLE in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.54.2-1.el8_10 | ALSA-2026:91636 |
| AlmaLinux:9 | webkit2gtk3 | 2.54.2-0.el9_8.1 | ALSA-2026:91580 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.54.2-1.el8_10 | ALSA-2026:91636 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.54.2-0.el9_8.1 | ALSA-2026:91580 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.54.2-1.el8_10 | ALSA-2026:91636 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.54.2-0.el9_8.1 | ALSA-2026:91580 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.54.2-1.el8_10 | ALSA-2026:91636 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.54.2-0.el9_8.1 | ALSA-2026:91580 |
| Debian:12 | chromium | 156.0.8078.47-1~deb12u1 | DEBIAN-CVE-2026-113273 |
| Debian:13 | chromium | 156.0.8078.47-1~deb13u1 | DEBIAN-CVE-2026-113273 |
| Debian:14 | chromium | 156.0.8078.47-1 | DEBIAN-CVE-2026-113273 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H