CVE-2026-15185 | THREATINT

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.

PUBLISHED Reserved 2026-07-09 | Published 2026-07-09 | Updated 2026-07-09 | Assigner VulDB

MEDIUM: 4.8CVSS: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:P

LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C

Problem types

Out-of-Bounds Read

Memory Corruption

Timeline

2026-07-09:	Advisory disclosed
2026-07-09:	VulDB entry created
2026-07-09:	VulDB entry last update

Credits

Fantasy_2026 (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/377111 (VDB-377111 | GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds) vdb-entry technical-description

vuldb.com/vuln/377111/cti (VDB-377111 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-15185 (CVE-2026-15185 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/851214 (Submit #851214 | GPAC GPAC 26.03-DEV Out-of-Bounds Read) third-party-advisory

github.com/gpac/gpac/issues/3611 exploit issue-tracking

github.com/...ommit/aa0fb77b82e51b159a2024c440cdf6b571b14d81 patch

github.com/...ommit/532097084729a936bcdf6a27c41003f3bd7dc3ff patch

github.com/gpac/gpac/ product

cve.org (CVE-2026-15185)

nvd.nist.gov (CVE-2026-15185)

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