CVE-2026-15185: GPAC 26.03-DEV
Affects gpacSource GCVE Database
Public exploit available · CVSS 4.8 Medium.
Data as of 26 Oct 2026, 13:47 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% 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 9 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu Pro 24.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu Pro 18.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/bionicOther threats | Affected
| Fixed in– |
Ubuntu Pro 16.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-apps/xenialOther threats | Affected
| Fixed in– |
Ubuntu Pro 14.04 LTSgpacpkg:deb/ubuntu/gpac?arch=source&distro=esm-infra-legacy/trustyOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
A vulnerability was determined in GPAC 26.03-DEV. This affects the function vobsub_read_idx of the file /src/media_tools/vobsub.c of the component MP4Box. Executing a manipulation of the argument num_langs can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called 532097084729a936bcdf6a27c41003f3bd7dc3ff. It is best practice to apply a patch to resolve this issue. Two different commits were applied to fix this issue.
References
- ubuntu.com/security/CVE-2026-15185 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-15185 (opens in a new tab)
- github.com/gpac/gpac/ (opens in a new tab)
- github.com/gpac/gpac/commit/532097084729a936bcdf6a27c41003f3bd7dc3ff (opens in a new tab)
- github.com/gpac/gpac/commit/aa0fb77b82e51b159a2024c440cdf6b571b14d81 (opens in a new tab)
- github.com/gpac/gpac/issues/3611 (opens in a new tab)
- vuldb.com/cve/CVE-2026-15185 (opens in a new tab)
- vuldb.com/submit/851214 (opens in a new tab)
- vuldb.com/vuln/377111 (opens in a new tab)
- vuldb.com/vuln/377111/cti (opens in a new tab)