What is CVE-2023-3297?

CVE-2023-3297 is a high-severity vulnerability in Canonical Ltd. Accountservice, classified under Use After Free. CVSS score: 8.1/10. Published 2023-09-01.

How severe is CVE-2023-3297?

High severity. CVSS v3 base score is 8.1 out of 10.

Use After Free in Canonical Ltd. Accountservice

CVE-2023-3297

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.

Vulnerability class: Use-After-Free

Published 2023-09-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.9th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Canonical Ltd. Accountservice — versions 23.13.9-2ubuntu2
Linux Kernel
Canonical Accountsservice
Canonical Ubuntu Linux — versions 23.04, 22.10, 22.04

Weakness classification (CWE)

CWE-416 — Use After Free

References

ubuntu.com/security/notices/USN-6190-1 (vendor-advisory, Vendor Advisory)
securitylab.github.com/advisories/GHSL-2023-139_accountsservice/ (Exploit, technical-description, Third Party Advisory, third-party-advisory)
bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/2024182 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
cve.mitre.org/cgi-bin/cvename.cgi (issue-tracking, Third Party Advisory)

Frequently asked questions

What is CVE-2023-3297?: CVE-2023-3297 is a high-severity vulnerability in Canonical Ltd. Accountservice, classified under Use After Free. CVSS score: 8.1/10. Published 2023-09-01.
How severe is CVE-2023-3297?: High severity. CVSS v3 base score is 8.1 out of 10.