CVE-2026-113121

Chromium CVE-2026-113121: Memory corruption

CVE-2026-113121 is fixed in chromium on 1 platform, first by DEBIAN-CVE-2026-113121, released October 24, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

Low

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0036

29th percentile

<p>This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see <a href="https://chromereleases.googleblog.com/2026">Google Chrome Releases</a> for more information.</p>

Where it's fixed

Product	Fixed in	Fix	Released
Linux
chromium · Debian 12.15 (bookworm)	156.0.8078.47-1~deb12u1	DEBIAN-CVE-2026-113121	Oct 24, 2026
chromium · Debian 13.5 (trixie)	156.0.8078.47-1~deb13u1	DEBIAN-CVE-2026-113121	Oct 24, 2026
chromium · Debian 14	156.0.8078.47-1	DEBIAN-CVE-2026-113121	Oct 24, 2026
chromium · opensuse-leap 16.0	156.0.8078.47-bp160.1.1	OPENSUSE-SU-2026:22185-1	Nov 7, 2026

Details

Published
October 20, 2026
Weakness
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113121

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