CVE-2025-12440: google chrome Classic Buffer Overflow
CVSS: 5.3v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2025-12440CGA-c4g2-7xqf-579hCGA-q648-c9qc-vpr4
Published 10-11-2025Last modified 10-11-2025
Vulnerability summary
CVE-2025-12440 is a medium (CVSS 5.3) Classic Buffer Overflow vulnerability in google chrome. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.9% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 10-11-2025PublishedVulnerability first disclosed.
- 10-11-2025Last modifiedVulnerability information updated.
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 metrics
5 scores · 5 sources · 1 versionMedium 5.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 5 agree
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
+0.01 pp
From 0.20% on 21-09-2026
21-09-202621-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 142.0.7444.59-r0
Debian1 product
- chromium< 142.0.7444.59-1~deb12u1 | < 142.0.7444.59-1~deb13u1 | < 142.0.7444.59-1
Google1 product
- chrome≥ 142.0.7444.59, < 142.0.7444.59 | < 142.0.7444.59
Wolfi1 product
- chromium< 142.0.7444.59-r0
4 vendors · 4 products
References
3 links- chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.htmlAdvisoryRelease NotesVendor Advisory
