What is CVE-2023-0818?

CVE-2023-0818 is a medium-severity vulnerability in Gpac, classified under Off-by-one Error. CVSS score: 5.5/10. Published 2023-02-13.

How severe is CVE-2023-0818?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Gpac

CVE-2023-0818

Off-by-one Error in GitHub repository gpac/gpac prior to v2.3.0-DEV.

Published 2023-02-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.7% 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

Weakness classification (CWE)

CWE-193 — Off-by-one Error

References

huntr.dev/bounties/038e7472-f3e9-46c2-9aea-d6dafb62a18a (Exploit, Third Party Advisory)
github.com/gpac/gpac/commit/377ab25f3e502db2934a9cf4b54739e1c89a02ff (Patch)
www.debian.org/security/2023/dsa-5411 (vendor-advisory)

Frequently asked questions

What is CVE-2023-0818?: CVE-2023-0818 is a medium-severity vulnerability in Gpac, classified under Off-by-one Error. CVSS score: 5.5/10. Published 2023-02-13.
How severe is CVE-2023-0818?: Medium severity. CVSS v3 base score is 5.5 out of 10.