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CVE-2021-3246

Good to know:

Date: July 19, 2021

A heap buffer overflow vulnerability in msadpcm_decode_block of libsndfile 1.0.30 allows attackers to execute arbitrary code via a crafted WAV file.

Language: C

Severity Score

8.8

Related Resources (13)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DLUDCEMMPRA3IYYYHVZUOUZXI65FU37V/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T7LNW4AVDVL3BU3N3KGVFLTYFASBVCIF/

Url: https://lists.debian.org/debian-lts-announce/2021/07/msg00024.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3246

Url: https://github.com/libsndfile/libsndfile/issues/687

Url: https://security.gentoo.org/glsa/202309-11

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7LNW4AVDVL3BU3N3KGVFLTYFASBVCIF/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DLUDCEMMPRA3IYYYHVZUOUZXI65FU37V/

Url: https://www.debian.org/security/2021/dsa-4947

Url: https://access.redhat.com/security/cve/CVE-2021-3246

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-3246

Url: https://security-tracker.debian.org/tracker/CVE-2021-3246

Url: https://www.mend.io/vulnerability-database/CVE-2021-3246

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version libsndfile - 1.0.31

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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