CVE-2025-47183: GStreamer · Out-of-bounds Read
Source CVE Database V5
Not known to be exploited · CVSS 6.6 Medium.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Affects
- GStreamer through 1.26.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 7 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
European organizations should implement the following specific mitigations: 1) Monitor for and apply security updates to GStreamer as soon as patches addressing CVE-2025-47183 are released. 2) Restrict local user privileges to minimize the ability of low-privileged users to execute or open untrusted multimedia files. 3) Employ application whitelisting and sandboxing techniques for media players and applications using GStreamer to limit the impact of potential exploitation. 4) Educate users about the risks of opening untrusted MP4 files, especially from unknown sources, to reduce the likelihood of user interaction leading to exploitation. 5) Use endpoint detection and response (EDR) tools to monitor for anomalous application crashes or memory access violations related to media processing. 6) For embedded or IoT devices using GStreamer, ensure secure firmware update mechanisms are in place to deploy patches promptly. 7) Conduct code audits or use static analysis tools on custom applications integrating GStreamer to detect unsafe handling of multimedia inputs. These targeted mitigations go beyond generic advice by focusing on user interaction controls, privilege management, and proactive patching aligned with the vulnerability's characteristics.
Description
In GStreamer through 1.26.1, the isomp4 plugin's qtdemux_parse_tree function may read past the end of a heap buffer while parsing an MP4 file, leading to information disclosure.