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EUVD-2021-26733 · Published Feb 23, 2021
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.
Technologies
Fedoraproject FedoraDebian Debian LinuxMatroska Libebml
Weaknesses
CWE-787
CVSS scores
- v3.16.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - v2.04.3
AV:N/AC:M/Au:N/C:N/I:N/A:P
MITRE ATT&CK
InferredWhere this vulnerability fits in an attack
Initial Access
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
Potentially impacted assets
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