4.3

CVE-2024-0749: debian debian_linux Origin Validation Error

CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2024-0749DEBIAN-CVE-2024-0749CGA-cmrp-5gvj-8g2p
Published 23-01-2024Last modified 22-05-2025
Open JSON

Vulnerability summary

CVE-2024-0749 is a medium (CVSS 4.3) Origin Validation Error vulnerability in debian debian_linux. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 25.4% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.34%
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
DLA-3720-1DLA-3727-1DSA-5605-1DSA-5606-1MGASA-2024-0023MGASA-2024-0024

Timeline

  1. 23-01-2024
    PublishedVulnerability first disclosed.
  2. 22-05-2025
    Last modifiedVulnerability information updated.

Description

A phishing site could have repurposed an `about:` dialog to show phishing content with an incorrect origin in the address bar. This vulnerability affects Firefox < 122 and Thunderbird < 115.7.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.34%

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

Ubuntu8 products
  • firefox< 122.0+build2-0ubuntu0.20.04.1
  • mozjs102All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Debian3 products
  • firefox-esr< 115.7.0esr-1~deb12u1 | < 115.7.0esr-1
  • thunderbird< 1:115.7.0-1~deb12u1 | < 1:115.7.0-1
  • debian_linuxEOL10.0
Mozilla3 products
Chainguard1 product
  • firefox-esr< 122.0-r0

4 vendors · 15 products

References

14 links
Show all 14 references