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CVE-2021-4156

Public on 2022-02-16
Modified on 2024-02-07
Description

An out-of-bounds read flaw was found in libsndfile's FLAC codec functionality. An attacker who is able to submit a specially crafted file (via tricking a user to open or otherwise) to an application linked with libsndfile and using the FLAC codec, could trigger an out-of-bounds read that would most likely cause a crash but could potentially leak memory information that could be used in further exploitation of other flaws.

Severity
Medium
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CVSS v3 Base Score
6.1
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core libsndfile 2023-03-17 16:34 ALAS2-2023-1998
Amazon Linux 2023 libsndfile 2023-02-17 20:43 ALAS2023-2023-028

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 6.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
NVD CVSSv3 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
NVD CVSSv2 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P