What is CVE-2023-3291?

CVE-2023-3291 is a low-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 3.3/10. Published 2023-06-16.

How severe is CVE-2023-3291?

Low severity. CVSS v3 base score is 3.3 out of 10.

Buffer overflow in Gpac

CVE-2023-3291

Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.2.2.

Vulnerability class: Buffer Overflow

Published 2023-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (31.5th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Gpac
Gpac Gpac/gpac — versions unspecified

Weakness classification (CWE)

References

huntr.dev/bounties/526954e6-8683-4697-bfa2-886c3204a1d5 (Exploit, Vendor Advisory)
github.com/gpac/gpac/commit/6a748ccc3f76ff10e3ae43014967ea4b0c088aaf (Patch, Vendor Advisory)
www.debian.org/security/2023/dsa-5452 (vendor-advisory)

Frequently asked questions

What is CVE-2023-3291?: CVE-2023-3291 is a low-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 3.3/10. Published 2023-06-16.
How severe is CVE-2023-3291?: Low severity. CVSS v3 base score is 3.3 out of 10.