CVE-2021-3498: debian debian_linux
CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2021-3498UBUNTU-CVE-2021-3498DEBIAN-CVE-2021-3498
Published 19-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-3498 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.6% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
1.76%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 19-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.
CVSS metrics
5 scores · 4 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.76%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
-0.01 pp
From 1.77% on 19-09-2026
19-09-202619-10-2026
EPSS score1.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Debian2 products
- gst-plugins-good1.0< 1.18.4-2
- debian_linuxEOL10.0
Alpine1 product
- gstreamer≥ 1.0.0, < 1.18.4-r0
Gstreamer1 product
- gstreamer≥ 1.0.0, < 1.18.4
Redhat1 product
- enterprise_linuxEOL7.0 | 8.0
Ubuntu1 product
- gst-plugins-good1.0< 1.14.5-0ubuntu1~18.04.2 | < 1.16.2-1ubuntu2.1
5 vendors · 6 products
References
11 links
www.debian.org/security/2021/dsa-4900Vendor AdvisoryX Refsource DEBIANMailing ListThird Party Advisory- packetstormsecurity.com/files/162952/Gstreamer-Matroska-Demuxing-Use-After-Free.htmlX Refsource MISCThird Party AdvisoryVDB Entry