CVE-2025-12443 — Out-of-bounds Read in Google Chrome

CWE-125 — Out-of-bounds Read9 documents9 sources
Severity
4.3MEDIUMNVD
EPSS
0.0%
top 94.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedNov 10
Latest updateJan 5

Description

Out of bounds read in WebXR in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: Medium)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶CVEListV5google/chrome142.0.7444.59 — 142.0.7444.59
▶NVDgoogle/chrome< 142.0.7444.59
▶Debianchromium/chromium< 142.0.7444.59-1~deb12u1+2

🔴Vulnerability Details

3
CVEList
CVE-2025-12443: Out of bounds read in WebXR in Google Chrome prior to 142↗2025-11-10
▶
GHSA
GHSA-5jph-4x8h-wx83: Out of bounds read in WebXR in Google Chrome prior to 142↗2025-11-10
▶
OSV
CVE-2025-12443: Out of bounds read in WebXR in Google Chrome prior to 142↗2025-11-10
▶

📋Vendor Advisories

5
Chrome
Long Term Support Channel Update for ChromeOS: CVE-2025-12443↗2026-01-05
▶
Palo Alto
PAN-SA-2025-0018 Chromium and Prisma Browser: Monthly Vulnerability Update (November 2025)↗2025-11-12
▶
Red Hat
chromium-browser: Out of bounds read in WebXR↗2025-11-10
▶
Microsoft
Chromium: CVE-2025-12433 Inappropriate implementation in V8↗2025-10-14
▶
Debian
CVE-2025-12443: chromium - Out of bounds read in WebXR in Google Chrome prior to 142.0.7444.59 allowed a re...↗2025
▶
CVE-2025-12443 — Out-of-bounds Read in Google Chrome | cvebase