DEBIAN-CVE-2023-25729

Advisory lineage Upstream: 1 Downstream: 4
Upstream
CVE-2023-25729
Published: 02 Jun 2023, 17:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
8.8 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jun 2023, 17:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

Permission prompts for opening external schemes were only shown for <code>ContentPrincipals</code> resulting in extensions being able to open them without user interaction via <code>ExpandedPrincipals</code>. This could lead to further malicious actions such as downloading files or interacting with software already installed on the system. This vulnerability affects Firefox < 110, Thunderbird < 102.8, and Firefox ESR < 102.8.

CVSS Metrics

  • v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Systems

  • debian•firefox-esr

    < 102.8.0esr-1~deb11u1 | < 102.8.0esr-1 | < 102.8.0esr-1 | < 102.8.0esr-1

  • debian•thunderbird

    < 1:102.8.0-1~deb11u1 | < 1:102.8.0-1 | < 1:102.8.0-1 | < 1:102.8.0-1

References (1)