6.5

CVE-2023-6860: debian debian_linux

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-6860DEBIAN-CVE-2023-6860CGA-67w9-hp37-6mr2
Published 19-12-2023Last modified 13-02-2025

Vulnerability summary

CVE-2023-6860 is a medium (CVSS 6.5) vulnerability in debian debian_linux. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 60.8% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.96%
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 33 · Related 10

Timeline

  1. 19-12-2023
    PublishedVulnerability first disclosed.
  2. 13-02-2025
    Last modifiedVulnerability information updated.

Description

The `VideoBridge` allowed any content process to use textures produced by remote decoders. This could be abused to escape the sandbox. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.96%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

0.00 pp

From 0.96% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.96%

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

No weakness data has been published for this record.

Affected systems

Ubuntu8 products
  • firefox< 121.0+build1-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Debian3 products
  • firefox-esr< 115.6.0esr-1~deb12u1 | < 115.6.0esr-1
  • thunderbird< 1:115.6.0-1~deb12u1 | < 1:115.6.0-1
  • debian_linuxEOL10.0 | 11.0 | 12.0
Mozilla3 products
Chainguard1 product
  • firefox-esr< 121.0-r0

4 vendors · 15 products

References

17 links
Show all 17 references