6.3

CVE-2023-5473: debian debian_linux Use After Free

Modified
AliasesDEBIAN-CVE-2023-5473
Published 11-10-2023Last modified 13-02-2025

Vulnerability summary

CVE-2023-5473 is a medium (CVSS 6.3) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 54% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.72%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 5

Timeline

  1. 11-10-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

Use after free in Cast in Google Chrome prior to 118.0.5993.70 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Low)

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.72%

Chance of exploitation in the next 30 days

Percentile

54%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.70% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

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
Google1 product
  • chrome≥ 118.0.5993.70, < 118.0.5993.70 | < 118.0.5993.70

2 vendors · 3 products

References

7 links