Vulnerability · Published Jul 18, 2025 · Assigned by VulDB

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

Medium 5.3

In plain English

A medium-severity null pointer dereference in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)1.1%top 34.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 (as reported)

Vendor	Product	Versions
n/a	GPAC	2.02.12.22.32.4

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-316862 | GPAC dash_client.c gf_dash_download_init_segment null pointer dereference vdb-entry, technical-description
VDB-316862 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #616664 | GPAC 2.4 (commit 25f31f76bded83d1fa1ae36216f2fb65ae7c483f and before) NULL Pointer Dereference third-party-advisory
https://drive.google.com/file/d/1Z-C6RajpZ40ujo1iGNt3_mG855mPbs1Q/view?usp=share_link exploit
https://github.com/gpac/gpac/commit/153ea314b6b053db17164f8bc3c7e1e460938eaa patch