CVE-2026-92473: GPAC 26.08-DEV · Memory Buffer Overflow
Affects gpacSource GCVE Database
Public exploit available · CVSS 4.8 Medium.
Data as of 31 Oct 2026, 20:20 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubgpac/gpacpkg:github/gpac/gpacOther threats | Affected
| Fixed in– |
Ubuntu Pro 14.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Ubuntu Pro 16.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/xenialOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade the affected gpac component to version abi-16.24 or later, which contains the official fix for this vulnerability. No other mitigation is indicated or required.
Description
A use-after-free vulnerability exists in the gpac 26.08-DEV version within the function gf_sg_command_del in the BIFS Handler component. This vulnerability requires local access to exploit and can cause a denial of service. A patch is available in version abi-16.24 that resolves this issue.
References
- nvd.nist.gov/vuln/detail/CVE-2026-92473 (opens in a new tab)
- github.com/gpac/gpac/issues/3830 (opens in a new tab)
- github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7 (opens in a new tab)
- github.com/gpac/gpac (opens in a new tab)
- github.com/gpac/gpac/releases/tag/abi-16.24 (opens in a new tab)
- github.com/user-attachments/files/30635904/poc_10.zip (opens in a new tab)
- vuldb.com/cve/CVE-2026-92473 (opens in a new tab)
- vuldb.com/submit/941004 (opens in a new tab)
- vuldb.com/vuln/405732 (opens in a new tab)
- vuldb.com/vuln/405732/cti (opens in a new tab)
- github.com/gpac/gpac/ (opens in a new tab)
- ubuntu.com/security/CVE-2026-92473 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-92473 (opens in a new tab)