Low severity · published Jul 9, 2026
CVE-2026-15185
GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds
3.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 5% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
GPAC · Gpac
26.03-DEV · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15185
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15185
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/532097084729a936bcdf6a27c41003f3bd7dc3ff
github.com
https://github.com/gpac/gpac/commit/aa0fb77b82e51b159a2024c440cdf6b571b14d81
github.com
https://github.com/gpac/gpac/issues/3611
vuldb.com
https://vuldb.com/cve/CVE-2026-15185
vuldb.com
https://vuldb.com/submit/851214
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