MEDIUMCVSS v3.1 5.5Vulnerability

CVE-2026-128240

GPAC through 26.07.0 contains a use-after-free vulnerability in gf_sg_proto_del() in src/scenegraph/vrml_proto.c because gf_sg_reset() frees unregistered prototypes still referenced by scene commands. Attackers can supply a crafted XMT/BT scene declaring prototypes via commands, processed by MP4Box -chap, to trigger freed memory access and crash the process.

Properties

Severity
MEDIUM
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00167
Cvss severity
MEDIUM
Cvss score
5.5
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
5.5
Cvss version
3.1
Cve id
CVE-2026-128240
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-13T17:31:47+00:00
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published at
2026-11-13T10:18:11.840
Last modified
2026-11-13T10:18:11.963
Epss percentile
0.06066

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Use After Free

Related research

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CVE-2026-128240 (CVSS v3.1 5.5) — Ninja Signal Threat Intelligence | Ninja Signal