Buffer overflow in Freedesktop Gst-Plugins-Bad
CVE-2021-3185
A flaw was found in the gstreamer h264 component of gst-plugins-bad before v1.18.1 where when parsing a h264 header, an attacker could cause the stack to be smashed, memory corruption and possibly code execution.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Freedesktop Gst-Plugins-Bad
- Gstreamer — versions Fixed in gst-plugins-bad-1.18.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202208-31 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3185?
- CVE-2021-3185 is a critical-severity vulnerability in Freedesktop Gst-Plugins-Bad, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2021-01-26.
- How severe is CVE-2021-3185?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-3185 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.