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CVE-2021-4156

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-5409-1
Posted May 11, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5409-1 - It was discovered that libsndfile was incorrectly performing memory management operations and incorrectly using buffers when executing its FLAC codec. If a user or automated system were tricked into processing a specially crafted sound file, an attacker could possibly use this issue to cause a denial of service or obtain sensitive information.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2021-4156
SHA-256 | db49ce893a7be6cad7941c2b0f489619a410cae85847f76f25e81325e7aa9ef0
Red Hat Security Advisory 2022-1968-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1968-01 - libsndfile is a C library for reading and writing files containing sampled sound, such as AIFF, AU, or WAV. Issues addressed include an out of bounds read vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-4156
SHA-256 | d66ed58f3eae2d0556557f7099bdb136f1e9800e8c44544e7bbe711195b5c543
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