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

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-18 · updated 2026-06-17
Weakness: CWE-404

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

GPAC: through 2.4.0

References

https://drive.google.com/file/d/1Z-C6RajpZ40ujo1iGNt3_mG855mPbs1Q/view?usp=share_link
https://github.com/gpac/gpac/commit/153ea314b6b053db17164f8bc3c7e1e460938eaa
https://vuldb.com/?ctiid.316862
https://vuldb.com/?id.316862
https://vuldb.com/?submit.616664

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