CVE-2023-4679 — A use after free vulnerability exists in GPAC version 2

A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del function in filter_core/filter.c at line 38. This vulnerability can lead to a double-free condition, which may cause the application to crash.

01What is this vulnerability?

A use after free vulnerability exists in GPAC version 2.3-DEV-revrelease, specifically in the gf_filterpacket_del function in filter_core/filter.c at line 38. This vulnerability can lead to a double-free condition, which may cause the application to crash.

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: 2024-11-15T10:53:32.070Z
• Last modified: 2024-11-15T19:12:15.195Z

09References

• huntr.com — https://huntr.com/bounties/6f721ee7-8785-4c26-801e-f40fed3faaac
• github.com — https://github.com/gpac/gpac/commit/b68b3f0bf5c366e003221d78fd663a1d5514a876