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4.3
CVSSv2

CVE-2021-3405

Published: 23/02/2021 Updated: 07/11/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

A flaw was found in libebml prior to 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

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matroska libebml

fedoraproject fedora 32

fedoraproject fedora 33

fedoraproject fedora 34

debian debian linux 9.0

Vendor Advisories

Debian CVElist Bug Report Logs: libebml: CVE-2021-3405
Debian Bug report logs - #982597 libebml: CVE-2021-3405 Package: src:libebml; Maintainer for src:libebml is Debian Multimedia Maintainers <debian-multimedia@listsdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 12 Feb 2021 09:03:02 UTC Severity: important Tags: security, upstream Found ...
Arch Linux Issues:
A security issue was found in libebml version 141 A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml ...

References

CWE-787https://github.com/Matroska-Org/libebml/issues/74https://lists.debian.org/debian-lts-announce/2021/04/msg00016.htmlhttps://security.gentoo.org/glsa/202208-21https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/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://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982597https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-3405
CVSSv2
CVSSv2
CVSSv3
VMScore
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