CVE-2021-3405

2021-02-2320:15:12

Debian Security Bug Tracker

security-tracker.debian.org

libebml

heap overflow

implementation

CVSS2

4.3

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

6.5

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

EPSS

0.018

Percentile

88.2%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12alllibebml< 1.4.2-1libebml_1.4.2-1_all.deb
Debian11alllibebml< 1.4.2-1libebml_1.4.2-1_all.deb
Debian999alllibebml< 1.4.2-1libebml_1.4.2-1_all.deb
Debian13alllibebml< 1.4.2-1libebml_1.4.2-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	libebml	< 1.4.2-1	libebml_1.4.2-1_all.deb
Debian	11	all	libebml	< 1.4.2-1	libebml_1.4.2-1_all.deb
Debian	999	all	libebml	< 1.4.2-1	libebml_1.4.2-1_all.deb
Debian	13	all	libebml	< 1.4.2-1	libebml_1.4.2-1_all.deb