CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
88.2%
Debian LTS Advisory DLA-2629-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
April 18, 2021 https://wiki.debian.org/LTS
Package : libebml
Version : 1.3.4-1+deb9u2
CVE ID : CVE-2021-3405
A heap overflow issue was detected in libebml, a library to read and
write files in the EBML format, a binary pendant to XML.
These issues appeared in several ReadData functions of various data type
classes. This update also fixes the issue in EbmlString::ReadData and
EbmlUnicodeString::ReadData, which were mentioned in CVE-2021-3405.
For Debian 9 stretch, this problem has been fixed in version
1.3.4-1+deb9u2.
We recommend that you upgrade your libebml packages.
For the detailed security status of libebml please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libebml
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | i386 | libebml-dev | < 1.3.4-1+deb9u2 | libebml-dev_1.3.4-1+deb9u2_i386.deb |
Debian | 9 | armhf | libebml4v5 | < 1.3.4-1+deb9u2 | libebml4v5_1.3.4-1+deb9u2_armhf.deb |
Debian | 9 | all | libebml | < 1.3.4-1+deb9u2 | libebml_1.3.4-1+deb9u2_all.deb |
Debian | 9 | arm64 | libebml4v5 | < 1.3.4-1+deb9u2 | libebml4v5_1.3.4-1+deb9u2_arm64.deb |
Debian | 9 | armel | libebml-dev | < 1.3.4-1+deb9u2 | libebml-dev_1.3.4-1+deb9u2_armel.deb |
Debian | 9 | amd64 | libebml-dev | < 1.3.4-1+deb9u2 | libebml-dev_1.3.4-1+deb9u2_amd64.deb |
Debian | 9 | armel | libebml4v5 | < 1.3.4-1+deb9u2 | libebml4v5_1.3.4-1+deb9u2_armel.deb |
Debian | 9 | armhf | libebml-dev | < 1.3.4-1+deb9u2 | libebml-dev_1.3.4-1+deb9u2_armhf.deb |
Debian | 9 | amd64 | libebml4v5 | < 1.3.4-1+deb9u2 | libebml4v5_1.3.4-1+deb9u2_amd64.deb |
Debian | 9 | arm64 | libebml-dev | < 1.3.4-1+deb9u2 | libebml-dev_1.3.4-1+deb9u2_arm64.deb |
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
88.2%