CVE-2023-5476: debian debian_linux Use After Free
Vulnerability summary
CVE-2023-5476 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.91% chance of exploitation in the next 30 days, higher than 59.9% of scored vulnerabilities.
Not severe (CVSS 8.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 11-10-2023PublishedVulnerability first disclosed.
- 01-05-2025Last modifiedVulnerability information updated.
Description
Use after free in Blink History in Google Chrome prior to 118.0.5993.70 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
CVSS metrics
4 scores · 4 sources · 1 version- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · AlpineEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.91%
Chance of exploitation in the next 30 days
Percentile
60%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.88% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- chromium< 118.0.5993.70-1~deb12u1 | < 118.0.5993.70-1
- debian_linuxEOL11.0 | 12.0
Alpine1 product
- qt6-qtwebengine< 6.6.0-r1
Google1 product
- chrome≥ 118.0.5993.70, < 118.0.5993.70 | < 118.0.5993.70
3 vendors · 4 products
References
8 links- chromereleases.googleblog.com/2023/10/stable-channel-update-for-desktop_10.htmlRelease NotesVendor Advisory
- crbug.com/1474253Permissions Required
www.debian.org/security/2023/dsa-5526Third Party Advisory- security.gentoo.org/glsa/202311-11Third Party Advisory
- security.gentoo.org/glsa/202312-07Third Party Advisory