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AUSCERT External Security Bulletin Redistribution
ESB-2023.5389
libyang security update
20 September 2023
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AusCERT Security Bulletin Summary
---------------------------------
Product: libyang
Publisher: Debian
Operating System: Debian GNU/Linux
Resolution: Patch/Upgrade
CVE Names: CVE-2019-20397 CVE-2019-20396 CVE-2019-20395
CVE-2019-20393 CVE-2019-20392 CVE-2019-20391
CVE-2019-2039
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html
Comment: CVSS (Max): 8.8 CVE-2019-20397 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: NIST
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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Debian LTS Advisory DLA-3572-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Markus Koschany
September 19, 2023 https://wiki.debian.org/LTS
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Package : libyang
Version : 0.16.105+really1.0-0+deb10u1
CVE ID : CVE-2019-20391 CVE-2019-20392 CVE-2019-20393 CVE-2019-20394
CVE-2019-20395 CVE-2019-20396 CVE-2019-20397 CVE-2019-20398
Multiple flaws were found in libyang, a parser toolkit for IETF YANG data
modeling. Double frees, invalid memory access and Null pointer dereferences
may cause a denial of service or potentially code execution.
For Debian 10 buster, these problems have been fixed in version
0.16.105+really1.0-0+deb10u1.
We recommend that you upgrade your libyang packages.
For the detailed security status of libyang please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libyang
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
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