CVE-2021-3405

A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
redhatCNA
---
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CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 47%
VendorProductVersion
matroskalibebml
𝑥
< 1.4.2
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libebml
bullseye
1.4.2-1
fixed
buster
no-dsa
bookworm
1.4.4-1
fixed
sid
1.4.5-1
fixed
trixie
1.4.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libebml
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
not-affected
hirsute
not-affected
groovy
ignored
focal
not-affected
bionic
not-affected
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://github.com/Matroska-Org/libebml/issues/74
https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/
https://security.gentoo.org/glsa/202208-21
https://github.com/Matroska-Org/libebml/issues/74
https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/
https://security.gentoo.org/glsa/202208-21