What is CVE-2026-7135?

CVE-2026-7135 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-04-27.

How severe is CVE-2026-7135?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Gpac

CVE-2026-7135

A security flaw has been discovered in GPAC up to 26.03-DEV-rev105-g8f39a1eb3-master. Affected by this vulnerability is the function elng_box_read of the file src/isomedia/box_code_base.c of the component MP4Box. Performing a manipulation…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (4.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Gpac — versions 26.03-DEV-rev105-g8f39a1eb3-master

Weakness classification (CWE)

References

VDB-359734 | GPAC MP4Box box_code_base.c elng_box_read out-of-bounds (technical-description, vdb-entry)
VDB-359734 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #800985 | gpac laster Memory Corruption (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (patch)
cna@vuldb.com (patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-7135?: CVE-2026-7135 is a medium-severity vulnerability in Gpac, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2026-04-27.
How severe is CVE-2026-7135?: Medium severity. CVSS v3 base score is 5.3 out of 10.