🛡️ CVE-2025-47808 — gstreamer

🟡 CVSS 5.6 — Medium ⚠️ Exploit Public CWE-476 NVD

5.6

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

In GStreamer through 1.26.1, the subparse plugin's tmplayer_parse_line function may dereference a NULL pointer while parsing a subtitle file, leading to a crash.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability low.

Weakness class

CVE-2025-47808 is classified as CWE-476: NULL Pointer Dereference. A pointer that can be null is used without a check, crashing the process.

Affected software

CVE-2025-47808 is recorded against 1 package.

gstreamer (fixed in 1.26.2)

Timeline and source

Published on 7 August 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
gstreamer.freedesktop.org

CVE-2025-47808 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Alpine BellSoft Debian Ubuntu

Details

Severity MEDIUM

CVSS Score 5.6

CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE CWE-476

Public Exploit ⚠️ Yes

Source NVD

Published 2025-08-07

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
gstreamer	—	1.26.2

References

Exploit, Third Party Advisory https://github.com/atredispartners/advisories/blob/master/2025/ATREDIS-2025-0003.md

Vendor Advisory https://gstreamer.freedesktop.org/security/

🔗 NVD 🔗 Mitre

Similar Threats

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