CVE-2026-7135
GPAC MP4Box box_code_base.c elng_box_read out-of-bounds
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
Exploit maturity
Proof of concept
Public proof of concept exists, but not yet automated.
CVSS 4.8EPSS 0.1%KEV nãoPoC públicaNuclei —Metasploit —Patch referenciado
Lifecycle
27 Apr 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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 of the argument elng results in out-of-bounds read. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The patch is named cf6ac48c972eaaee2af270adc3f36615325deb3e. The affected component should be upgraded.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
n/a · GPACpublic PoCs found — 1
cve_referencegithub.com/gpac/gpac/issues/3516unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.