Out-of-bounds Read in Gstreamer
CVE-2025-47183
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (9.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000
Affected products
Weakness classification (CWE)
References
- gstreamer.freedesktop.org/security/ (Vendor Advisory)
- github.com/atredispartners/advisories/blob/master/2025/ATREDIS-2025-0003.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-47183?
- CVE-2025-47183 is a medium-severity vulnerability in Gstreamer, classified under Out-of-bounds Read. CVSS score: 6.6/10. Published 2025-08-07.
- How severe is CVE-2025-47183?
- Medium severity. CVSS v3 base score is 6.6 out of 10.