SB2026041438 - Ubuntu update for xdg-dbus-proxy
Published: April 14, 2026
Security Bulletin ID
SB2026041438
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Validation of Unsafe Equivalence in Input (CVE-ID: CVE-2026-34080)
CWE-ID: CWE-1289 - Improper Validation of Unsafe Equivalence in Input
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a policy parser issue. A remote attacker can bypass eavesdrop restrictions and intercept D-Bus messages.
Remediation
Install update from vendor's website.