8.8

CVE-2023-5855: debian debian_linux Use After Free

CVSS: 8.8v3.1HighModified
AliasesDEBIAN-CVE-2023-5855
Published 01-11-2023Last modified 29-04-2025

Vulnerability summary

CVE-2023-5855 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 62.6% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 3

Timeline

  1. 01-11-2023
    PublishedVulnerability first disclosed.
  2. 29-04-2025
    Last modifiedVulnerability information updated.

Description

Use after free in Reading Mode in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via specific UI gestures. (Chromium security severity: Medium)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

0.00 pp

From 1.01% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • chromium< 119.0.6045.105-1~deb12u1 | < 119.0.6045.105-1
  • debian_linuxEOL11.0 | 12.0
Fedoraproject1 product
Google1 product
  • chrome≥ 119.0.6045.105, < 119.0.6045.105 | < 119.0.6045.105

3 vendors · 4 products

References

10 links