What is CVE-2022-45343?

CVE-2022-45343 is a high-severity vulnerability in Gpac, classified under Use After Free. CVSS score: 7.8/10. Published 2022-11-29.

How severe is CVE-2022-45343?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Gpac

CVE-2022-45343

GPAC v2.1-DEV-rev478-g696e6f868-master was discovered to contain a heap use-after-free via the Q_IsTypeOn function at /gpac/src/bifs/unquantize.c.

Vulnerability class: Use-After-Free

Published 2022-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.9th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% 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

Gpac

Weakness classification (CWE)

CWE-416 — Use After Free

References

github.com/gpac/gpac/issues/2315 (Exploit, Patch, Third Party Advisory, Issue Tracking)
www.debian.org/security/2023/dsa-5411 (vendor-advisory)

Frequently asked questions

What is CVE-2022-45343?: CVE-2022-45343 is a high-severity vulnerability in Gpac, classified under Use After Free. CVSS score: 7.8/10. Published 2022-11-29.
How severe is CVE-2022-45343?: High severity. CVSS v3 base score is 7.8 out of 10.