Vulnerability · Published Jun 4, 2026 · Assigned by Chrome
CVE-2026-10993
Medium 6.5
In plain English
A medium-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 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 71.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Heap buffer overflow in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | webkit2gtk3 | 2.54.0-1.el8_10 | ALSA-2026:74084 |
| AlmaLinux:9 | webkit2gtk3 | 2.54.0-1.el9_8 | ALSA-2026:69098 |
| AlmaLinux:8 | webkit2gtk3-devel | 2.54.0-1.el8_10 | ALSA-2026:74084 |
| AlmaLinux:9 | webkit2gtk3-devel | 2.54.0-1.el9_8 | ALSA-2026:69098 |
| AlmaLinux:8 | webkit2gtk3-jsc | 2.54.0-1.el8_10 | ALSA-2026:74084 |
| AlmaLinux:9 | webkit2gtk3-jsc | 2.54.0-1.el9_8 | ALSA-2026:69098 |
| AlmaLinux:8 | webkit2gtk3-jsc-devel | 2.54.0-1.el8_10 | ALSA-2026:74084 |
| AlmaLinux:9 | webkit2gtk3-jsc-devel | 2.54.0-1.el9_8 | ALSA-2026:69098 |
| Debian:12 | chromium | 149.0.7827.53-1~deb12u1 | DEBIAN-CVE-2026-10993 |
| Debian:13 | chromium | 149.0.7827.53-1~deb13u1 | DEBIAN-CVE-2026-10993 |
| Debian:14 | chromium | 149.0.7827.53-1 | DEBIAN-CVE-2026-10993 |
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-10993 |
| Debian:13 | webkit2gtk | 2.54.0-1~deb13u1 | DEBIAN-CVE-2026-10993 |
| Debian:14 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-10993 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2026-10993 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2026-10993 |
| Debian:14 | wpewebkit | 2.54.0-1 | DEBIAN-CVE-2026-10993 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.54.0-1.el8_10 | RLSA-2026:74084 |
| Rocky Linux:9 | webkit2gtk3 | 0:2.54.0-1.el9_8 | RLSA-2026:69098 |
Affected products (as reported)
Weakness: CWE-122 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N