Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2021.1851
nginx security update
31 May 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: nginx
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-2021-23017
Reference: ESB-2021.1840
ESB-2021.1833
ESB-2021.1817
ESB-2021.1802
Original Bulletin:
https://www.debian.org/lts/security/2021/dla-2670
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Debian LTS Advisory DLA-2670-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Utkarsh Gupta
May 30, 2021 https://wiki.debian.org/LTS
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Package : nginx
Version : 1.10.3-1+deb9u6
CVE ID : CVE-2021-23017
Debian Bug : 989095
Luis Merino, Markus Vervier and Eric Sesterhenn discovered an off-by-one
in Nginx, a high-performance web and reverse proxy server, which could
result in denial of service and potentially the execution of arbitrary
code.
For Debian 9 stretch, this problem has been fixed in version
1.10.3-1+deb9u6.
We recommend that you upgrade your nginx packages.
For the detailed security status of nginx please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nginx
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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