What is CVE-2023-0819?

CVE-2023-0819 is a high-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-13.

How severe is CVE-2023-0819?

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

Buffer overflow in Gpac

CVE-2023-0819

Heap-based Buffer Overflow in GitHub repository gpac/gpac prior to v2.3.0-DEV.

Vulnerability class: Buffer Overflow

Published 2023-02-13 · 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: 0.004 (34.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% 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/35793610-dccc-46c8-9f55-6a24c621e4ef (Exploit, Patch, Third Party Advisory)
github.com/gpac/gpac/commit/d067ab3ccdeaa340e8c045a0fd5bcfc22b809e8f (Patch)
www.debian.org/security/2023/dsa-5411 (vendor-advisory)

Frequently asked questions

What is CVE-2023-0819?: CVE-2023-0819 is a high-severity vulnerability in Gpac, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-13.
How severe is CVE-2023-0819?: High severity. CVSS v3 base score is 7.8 out of 10.