8.8

CVE-2023-3421: debian debian_linux Use After Free

CVSS: 8.8v3.1HighModified
AliasesDEBIAN-CVE-2023-3421
Published 26-06-2023Last modified 05-05-2025
Open JSON

Vulnerability summary

CVE-2023-3421 is a high (CVSS 8.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 1.15% chance of exploitation in the next 30 days, higher than 66.3% 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
1.15%
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 4
DSA-5440-1OPENSUSE-SU-2023:0159-1OPENSUSE-SU-2023:0251-1OPENSUSE-SU-2024:13026-1OPENSUSE-SU-2024:13100-1

Timeline

  1. 26-06-2023
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

Use after free in Media in Google Chrome prior to 114.0.5735.198 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.15%

Chance of exploitation in the next 30 days

Percentile

66%

Versus all other CVEs

30-day change

0.00 pp

From 1.15% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.15%

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< 114.0.5735.198-1~deb12u1 | < 114.0.5735.198-1
  • debian_linuxEOL11.0 | 12.0
Google1 product
  • chrome≥ 114.0.5735.198, < 114.0.5735.198 | < 114.0.5735.198

2 vendors · 3 products

References

8 links