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Debian LTS Advisory DLA-3058-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
June 26, 2022                                 https://wiki.debian.org/LTS
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Package        : libsndfile
Version        : 1.0.27-3+deb9u3
CVE ID         : CVE-2017-12562 CVE-2021-4156


Two issues have been found in libsndfile, a library for reading/writing
audio files.

CVE-2017-12562

    Due to a possible heap buffer overflow attack in an attacker could
    cause a remote denial of service attack by tricking the function into
    outputting a largeamount of data.

CVE-2021-4156

    Using a crafted FLAC file, an attacker could trigger an out-of-bounds
    read that would most likely cause a crash but could potentially leak
    memory information.


For Debian 9 stretch, these problems have been fixed in version
1.0.27-3+deb9u3.

We recommend that you upgrade your libsndfile packages.

For the detailed security status of libsndfile please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/libsndfile

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS