CVE-2021-3185: freedesktop gst-plugins-bad Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2021-0079SUSE-SU-2021:1819-1SUSE-SU-2021:1873-1SUSE-SU-2021:1875-1SUSE-SU-2021:1904-1SUSE-SU-2021:1944-1UBUNTU-CVE-2021-3185DEBIAN-CVE-2021-3185DLA-2528-1DSA-4833-1openSUSE-SU-2021:0822-1openSUSE-SU-2021:1012-1openSUSE-SU-2021:1819-1
Published 25-01-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3185 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in freedesktop gst-plugins-bad. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.3% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
2.48%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-01-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.48%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
+0.10 pp
From 2.38% on 20-09-2026
20-09-202620-10-2026
EPSS score2.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Suse47 products
- gstreamer-plugins-bad&distro=HPE Helion OpenStack 8< 1.8.3-18.3.5
- gstreamer-plugins-bad&distro=SUSE Enterprise Storage 6< 1.12.5-3.6.1
- gstreamer-plugins-bad&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 1.12.5-3.6.1
- gstreamer-plugins-bad&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS< 1.12.5-3.6.1
- gstreamer-plugins-bad&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS< 1.12.5-3.6.1
Opensuse10 products
- gstreamer-plugins-bad&distro=openSUSE Leap 15.2< 1.16.3-lp152.3.3.1
- gstreamer-plugins-bad&distro=openSUSE Leap 15.3< 1.16.3-lp153.3.3.1
- gstreamer-plugins-base&distro=openSUSE Leap 15.2< 1.16.3-lp152.3.3.1
- gstreamer-plugins-base&distro=openSUSE Leap 15.3< 1.16.3-4.3.1
- gstreamer-plugins-good&distro=openSUSE Leap 15.2< 1.16.3-lp152.2.3.1
Debian1 product
- gst-plugins-bad1.0< 1.18.1-1 | < 1.14.4-1deb10u1 | < 1.10.4-1+deb9u1
Freedesktop1 product
- gst-plugins-bad< 1.18.1
Mageia1 product
- gstreamer1.0-plugins-bad< 1.16.0-1.1.mga7 | < 1.16.0-1.1.mga7.tainted
Ubuntu1 product
- gst-plugins-bad1.0All versions (No fix recorded)
6 vendors · 61 products
References
20 links- bugzilla.redhat.com/show_bug.cgi?id=1917192X Refsource MISCREPORTIssue TrackingPatchThird Party Advisory
Show all 20 references
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory
- lists.opensuse.org/archives/…Advisory