What’s Vulnerable › Vulnerabilities

CVE-2023-3297

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-09-01 · updated 2026-06-17
• Weakness: CWE-416

Description

In Ubuntu's accountsservice an unprivileged local attacker can trigger a use-after-free vulnerability in accountsservice by sending a D-Bus message to the accounts-daemon process.

Affected products

• Canonical accountsservice: before 23.13.9-2ubuntu2; before 22.08.8-1ubuntu7.1; before 22.07.5-2ubuntu1.4; before 0.6.55-0ubuntu12\~20.04.6 — fixed in 0.6.55-0ubuntu12\~20.04.6, 22.07.5-2ubuntu1.4, 22.08.8-1ubuntu7.1, 23.13.9-2ubuntu2
• Canonical Ubuntu Linux: 20.04, 22.04, 22.10, 23.04

How to fix

Upgrade to a fixed version: Canonical accountsservice 0.6.55-0ubuntu12\~20.04.6, 22.07.5-2ubuntu1.4, 22.08.8-1ubuntu7.1, 23.13.9-2ubuntu2. Check the vendor advisory for mitigations.

References

• https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2024182
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3297
• https://securitylab.github.com/advisories/GHSL-2023-139_accountsservice/
• https://ubuntu.com/security/notices/USN-6190-1
• https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2024182
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-3297
• https://securitylab.github.com/advisories/GHSL-2023-139_accountsservice/
• https://ubuntu.com/security/notices/USN-6190-1

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