Low 3.3Published Jul 9, 2026

CVE-2026-15185GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds

Updated under an hour ago (Oct 27, 2026, 3:40 PM ET)

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It affects n/a GPAC. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 3.3 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
Weakness (CWE): CWE-125, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jul 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a GPAC gpac:gpac	26.03-DEV	CNA record

References

References

https://vuldb.com/vuln/377111	vdb-entry, technical-description
https://vuldb.com/vuln/377111/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-15185	third-party-advisory
https://vuldb.com/submit/851214	third-party-advisory
https://github.com/gpac/gpac/issues/3611	exploit, issue-tracking
https://github.com/gpac/gpac/commit/aa0fb77b82e51b159a2024c440cdf6b571b14d81	patch
https://github.com/gpac/gpac/commit/532097084729a936bcdf6a27c41003f3bd7dc3ff	patch
https://github.com/gpac/gpac/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.