CVE-2025-12439: google chrome Inadequate Encryption Strength
CVSS: 5.5v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2025-12439CGA-c5h2-cwcq-rphcCGA-r5hp-mfgv-3v7c
Published 10-11-2025Last modified 10-11-2025
Vulnerability summary
CVE-2025-12439 is a medium (CVSS 5.5) Inadequate Encryption Strength vulnerability in google chrome. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.3% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 10-11-2025PublishedVulnerability first disclosed.
- 10-11-2025Last modifiedVulnerability information updated.
Description
Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium)
CVSS metrics
5 scores · 5 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesAll 5 agree
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · WolfiEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- OSV · ChainguardEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.09%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
0.00 pp
From 0.08% on 21-09-2026
21-09-202621-10-2026
EPSS score0.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (issues.chromium.org)
Maturity: unknown
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
