CVE-2023-0818 — Off-by-one Error in GitHub repository gpac/gpac prior to v2

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

01What is this vulnerability?

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

02Affected products

Vendor	Product	Versions
gpac	gpac/gpac	unspecified

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-02-13T00:00:00.000Z
• Last modified: 2025-03-21T14:32:21.900Z

09References

• huntr.dev — https://huntr.dev/bounties/038e7472-f3e9-46c2-9aea-d6dafb62a18a
• github.com — https://github.com/gpac/gpac/commit/377ab25f3e502db2934a9cf4b54739e1c89a02ff
• www.debian.org — https://www.debian.org/security/2023/dsa-5411