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Fencer Vulns
high 7.5

CVE-2026-5284 json

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execu…

published 2026-04-01 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-17800

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)

Patch / fix

  • google chrome 146.0.7680.177
  • chromium Debian 12 146.0.7680.177-1~deb12u1
  • chromium Debian 13 146.0.7680.177-1~deb13u1
  • chromium Debian 14 146.0.7680.177-1

debian advisories DEBIAN-CVE-2026-5284

  • chromium openSUSE Leap 16.0 146.0.7680.177-bp160.1.1
  • chromium openSUSE Tumbleweed 146.0.7680.177-1.1

opensuse advisories openSUSE-SU-2026:20460-1openSUSE-SU-2026:10487-1

  • qt6-qtwebengine Alpine 3.23 6.10.1-r14
  • qt6-qtwebengine Alpine 3.24 6.10.2-r13
  • qt6-qtwebengine Alpine 3.24 6.11.0-r1

alpine advisories ALPINE-CVE-2026-5284

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-5284 updated cvss 9.6

chromium-browser: Use after free in Dawn

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.