PT-2022-4810 · Unknown+10 · Libsndfile+10

Yuawn · Published 2022-01-05 · Updated 2025-12-11 · CVE-2021-4156

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions libsndfile (affected versions not specified)

Description An out-of-bounds read flaw was found in libsndfile's FLAC codec functionality. This issue could be triggered by an attacker submitting a specially crafted file to an application linked with libsndfile and using the FLAC codec, potentially causing a crash or leaking memory information that could be used in further exploitation of other flaws. The vulnerability may allow a remote attacker to gain unauthorized access to protected information and cause a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALSA-2022:1968

BDU:2022-05796

CESA-2022_1968

CVE-2021-4156

DLA-3058-1

DLA-3126-1

DLA-4402-1

OESA-2022-1680

OPENSUSE-SU-2022:0052-1

OPENSUSE-SU-2022_0052-1

OPENSUSE-SU-2022_0052-2

OPENSUSE-SU-2024:11705-1

RHSA-2022:1968

RHSA-2022_1968

RLSA-2022:1968

SUSE-SU-2022:0034-1

SUSE-SU-2022:0052-1

SUSE-SU-2022:0052-2

SUSE-SU-2022:14872-1

SUSE-SU-2022_0034-1

SUSE-SU-2022_0052-1

SUSE-SU-2022_14872-1

USN-5409-1

USN-7273-1

Affected Products

Almalinux

Astra Linux

Centos

Debian

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

Libsndfile

References · 60

• 🔥 https://github.com/libsndfile/libsndfile/issues/731 · Exploit
• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=2027690 · Exploit
• https://github.com/libsndfile/libsndfile/pull/732/commits/4c30646abf7834e406f7e2429c70bc254e18beab · Patch
• https://ubuntu.com/security/CVE-2021-4156 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-4156 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2022:0052-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se81-bulletin-20230315SE81 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-4156 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:1968 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1680 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-7273-1 · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2022:1968 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-05796 · Security Note
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2022-1110SE17 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory