SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

CRITICAL 9.8EPSS 2.38%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (2.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
2.38% probability · 83th percentile
CISA KEV
Not listed
Weakness
CWE-120, CWE-787
Affected
freedesktop/gst-plugins-bad
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.