CVE-2025-71466

GPAC before 26.02.0 NULL Pointer Dereference via m2tsdmx_update_sdt

Published Nov 15, 2026 CVSS 4.0 · 6.8 Medium EPSS n/a KEV · Not listed

Description

GPAC before 26.02.0 contains a NULL pointer dereference vulnerability in m2tsdmx_update_sdt() in src/filters/dmx_m2ts.c that allows attackers to crash the MPEG-2 TS demuxer. Attackers can supply a crafted .ts file with an invalid service descriptor leaving service or provider names NULL to crash MP4Box and cause denial of service.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

gpac

unaffected

Version	Status	Constraints
`0`	affected	< 26.02.0

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Advisories

No advisories available

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/gpac/gpac/blob/v2.4.0/src/filters/dmx_m2ts.c#L185-L189
https://github.com/gpac/gpac/commit/62714f27c64a3d1eb7e880f9eed2d38673cb43ce
https://github.com/gpac/gpac/issues/3267
https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/26/26_m2tsdmx_update_sdt_filters_dmx_m2ts_c_218
https://www.vulncheck.com/advisories/gpac-before-26.02.0-null-pointer-dereference-via-m2tsdmx-update-sdt

History

Nov 15, 2026 4:00 PM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		GPAC before 26.02.0 contains a NULL pointer dereference vulnerability in m2tsdmx_update_sdt() in src/filters/dmx_m2ts.c that allows attackers to crash the MPEG-2 TS demuxer. Attackers can supply a crafted .ts file with an invalid service descriptor leaving service or provider names NULL to crash MP4Box and cause denial of service.
Title		GPAC before 26.02.0 NULL Pointer Dereference via m2tsdmx_update_sdt
First Time appeared		Gpac Gpac gpac
Weaknesses		CWE-476
CPEs		cpe:2.3:a:gpac:gpac::::::::
Vendors & Products		Gpac Gpac gpac
References		https://github.com/gpac/gpac/blob/v2.4.0/src/filters/dmx_m2ts.c#L185-L189 https://github.com/gpac/gpac/commit/62714f27c64a3d1eb7e880f9eed2d38673cb43ce https://github.com/gpac/gpac/issues/3267 https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/26/26_m2tsdmx_update_sdt_filters_dmx_m2ts_c_218 https://www.vulncheck.com/advisories/gpac-before-26.02.0-null-pointer-dereference-via-m2tsdmx-update-sdt
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}` cvssV4_0 `{'score': 6.8, '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'}`