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Advisories

GPAC through 26.07.0 NULL Pointer Dereference via MPEG-4 Form Handlers

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Severity
medium
Date
Affecting

  • gpac <= 26.07.0

CWE
  • CWE-476 NULL Pointer Dereference
CVSS
6.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Credit
Alexander A. Shvedov (sigdevel), Jean Le Feuvre
Description
GPAC through 26.07.0 contains a NULL pointer dereference vulnerability in the MPEG-4 Form spatial-constraint handlers in src/compositor/mpeg4_form.c that lets attackers crash the process via unchecked group lookups. Attackers can supply a crafted XMT scene whose Form constraints reference a non-existent group, crashing tools like MP4Box during chapter import for denial of service.

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