CVE-2025-12440 — Classic Buffer Overflow in Google Chrome

CWE-120 — Classic Buffer OverflowCWE-524 — Use of Cache Containing Sensitive Information9 documents9 sources
Severity
5.3MEDIUMNVD
EPSS
0.0%
top 93.09%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedNov 10
Latest updateNov 12

Description

Inappropriate implementation in Autofill in Google Chrome prior to 142.0.7444.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 1.6 | Impact: 3.6

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
GHSA
GHSA-5jp6-gv68-h9wr: Inappropriate implementation in Autofill in Google Chrome prior to 142↗2025-11-10
▶
OSV
CVE-2025-12440: Inappropriate implementation in Autofill in Google Chrome prior to 142↗2025-11-10
▶
CVEList
CVE-2025-12440: Inappropriate implementation in Autofill in Google Chrome prior to 142↗2025-11-10
▶

📋Vendor Advisories

5
Palo Alto
PAN-SA-2025-0018 Chromium and Prisma Browser: Monthly Vulnerability Update (November 2025)↗2025-11-12
▶
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-12440↗2025-11-11
▶
Red Hat
chromium-browser: Inappropriate implementation in Autofill↗2025-11-10
▶
Microsoft
Chromium: CVE-2025-12440 Inappropriate implementation in Autofill↗2025-10-14
▶
Debian
CVE-2025-12440: chromium - Inappropriate implementation in Autofill in Google Chrome prior to 142.0.7444.59...↗2025
▶
CVE-2025-12440 — Classic Buffer Overflow in Google | cvebase