CVE-2025-7797 - GPAC dash_client.c gf_dash_download_init_segment null pointer dereference

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MEDIUM

GPAC dash_client.c gf_dash_download_init_segment null pointer dereference

Published Jul 18, 2025

6.9

MEDIUM

CVSS 4.0

EPSS 0.95%

Description

A vulnerability was found in GPAC up to 2.4. It has been rated as problematic. Affected by this issue is the function gf_dash_download_init_segment of the file src/media_tools/dash_client.c. The manipulation of the argument base_init_url leads to null pointer dereference. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 153ea314b6b053db17164f8bc3c7e1e460938eaa. It is recommended to apply a patch to fix this issue.

Affected products

Vendor n/a Product GPAC Default
n/a
- Version
  2.0
  Status
  affected
  Constraints
  -
- Version
  2.1
  Status
  affected
  Constraints
  -
- Version
  2.2
  Status
  affected
  Constraints
  -
- Version
  2.3
  Status
  affected
  Constraints
  -
- Version
  2.4
  Status
  affected
  Constraints
  -

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

Vendor

Product

Default status

Versions

n/a

GPAC

n/a

Version	Status	Constraints
2.0	affected	-
2.1	affected	-
2.2	affected	-
2.3	affected	-
2.4	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-404

Improper Resource Shutdown or Release

CWE-476

NULL Pointer Dereference

References (6)

https://drive.google.com/file/d/1Z-C6RajpZ40ujo1iGNt3_mG855mPbs1Q/view?usp=share_link
exploit
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-21911
Advisory
https://github.com/gpac/gpac/commit/153ea314b6b053db17164f8bc3c7e1e460938eaa
patch
https://vuldb.com/?ctiid.316862
signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.316862
vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.616664
third-party-advisoryThird Party AdvisoryVDB Entry

Link	Providers	Tags
https://drive.google.com/file/d/1Z-C6RajpZ40ujo1iGNt3_mG855mPbs1Q/view?usp=share_link		exploit
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-21911		Advisory
https://github.com/gpac/gpac/commit/153ea314b6b053db17164f8bc3c7e1e460938eaa		patch
https://vuldb.com/?ctiid.316862		signaturepermissions-requiredPermissions RequiredVDB Entry
https://vuldb.com/?id.316862		vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
https://vuldb.com/?submit.616664		third-party-advisoryThird Party AdvisoryVDB Entry