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 (8)
Core 8
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-377111 | GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds
https://vuldb.com/vuln/377111
Signature, Permissions Required signature
permissions-required
VDB-377111 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/377111/cti
Third Party Advisory third-party-advisory
CVE-2026-15185 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-15185
Third Party Advisory third-party-advisory
Submit #851214 | GPAC GPAC 26.03-DEV Out-of-Bounds Read
https://vuldb.com/submit/851214
Exploit exploit
issue-tracking
https://github.com/gpac/gpac/issues/3611
Product product
https://github.com/gpac/gpac/
Scores
CVSS v3
3.3
EPSS
0.0011
EPSS Percentile
1.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-119
CWE-125
Status
published
Products (1)
None/GPAC
26.03-DEV
Published
Jul 09, 2026
Tracked Since
Jul 09, 2026