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Fencer Vulns
high 8.8

CVE-2025-13720 json

Bad cast in Loader in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentiall…

published 2025-12-02 11 mo ago modified 2026-09-25 44 d ago also EUVD-2025-200305

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

Bad cast in Loader in Google Chrome prior to 143.0.7499.41 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Patch / fix

  • google chrome 143.0.7499.40, 143.0.7499.41
  • chromium Debian 12 143.0.7499.40-1~deb12u1
  • chromium Debian 13 143.0.7499.40-1~deb13u1
  • chromium Debian 14 143.0.7499.40-1

debian advisories DEBIAN-CVE-2025-13720

  • chromium openSUSE Leap 16.0 143.0.7499.192-bp160.1.1
  • chromium openSUSE Tumbleweed 143.0.7499.40-2.1

opensuse advisories openSUSE-SU-2026:20020-1openSUSE-SU-2025:15794-1

  • qt6-qtwebengine Alpine 3.23 6.10.1-r1
  • qt6-qtwebengine Alpine 3.24 6.10.1-r2

alpine advisories ALPINE-CVE-2025-13720

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-2025-13720 updated cvss 6.5

chromium-browser: Bad cast in Loader

  • 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
11 mo ago

Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-704 Incorrect Type Conversion or Cast
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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.