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CVE-2021-3246

Published: 20 July 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.

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
libsndfile
Launchpad, Ubuntu, Debian
impish
Released (1.0.31-1ubuntu2)
jammy
Released (1.0.31-1ubuntu2)
upstream Needs triage

xenial
Released (1.0.25-10ubuntu0.16.04.3+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (1.0.28-4ubuntu0.18.04.2)
focal
Released (1.0.28-7ubuntu0.1)
groovy Ignored
(end of life)
hirsute
Released (1.0.31-1ubuntu1.1)
trusty
Released (1.0.25-7ubuntu2.2+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://github.com/libsndfile/libsndfile/commit/deb669ee8be55a94565f6f8a6b60890c2e7c6f32

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H