Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.3991
mbedtls security update
24 November 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: mbedtls
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-24119 CVE-2020-36478 CVE-2020-36476
CVE-2020-36475 CVE-2018-9989 CVE-2018-9988
Reference: ESB-2018.2882
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
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Debian LTS Advisory DLA-2826-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
November 23, 2021 https://wiki.debian.org/LTS
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Package : mbedtls
Version : 2.4.2-1+deb9u4
CVE ID : CVE-2018-9988 CVE-2018-9989 CVE-2020-36475 CVE-2020-36476
CVE-2020-36478 CVE-2021-24119
Several vulnerabilities were discovered in mbed TLS, a lightweight crypto
and SSL/TLS library, which could result in denial of service, information
disclosure or side-channel attacks.
For Debian 9 stretch, these problems have been fixed in version
2.4.2-1+deb9u4.
We recommend that you upgrade your mbedtls packages.
For the detailed security status of mbedtls please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/mbedtls
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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