What is CVE-2023-0770?

CVE-2023-0770 is a high-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-09.

How severe is CVE-2023-0770?

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

Buffer overflow in Gpac

CVE-2023-0770

Stack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.2.

Vulnerability class: Buffer Overflow

Published 2023-02-09 · 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 (30.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.7% 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
Debian Linux — versions 11.0

Weakness classification (CWE)

References

huntr.dev/bounties/e0fdeee5-7909-446e-9bd0-db80fd80e8dd (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/gpac/gpac/commit/c31941822ee275a35bc148382bafef1c53ec1c26 (Patch)
www.debian.org/security/2023/dsa-5411 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2023-0770?: CVE-2023-0770 is a high-severity vulnerability in Gpac, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2023-02-09.
How severe is CVE-2023-0770?: High severity. CVSS v3 base score is 7.8 out of 10.