# CVE-2021-23017: nginx-mod-mail: nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, a... CVE-2021-23017 is fixed in 33 products on 1 platform, first by libnginx-mod-http-auth-pam 1.14.0-0ubuntu1.9, released May 24, 2021. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2021-23017 - Priority: High - CVSS: 9.4 (Important) - EPSS: 0.5346 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 24, 2021 ## Description nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage. The following packages have been upgraded to a later upstream version: nginx (1.20.1). (BZ#2031030) Security Fix(es): * nginx: Off-by-one in ngx_resolver_copy() when labels are followed by a pointer to a root domain name (CVE-2021-23017) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libnginx-mod-http-auth-pam Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-auth-pam 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-auth-pam-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-auth-pam Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-auth-pam 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-auth-pam-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-cache-purge Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-cache-purge 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-cache-purge-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-cache-purge Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-cache-purge 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-cache-purge-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-dav-ext Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-dav-ext 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-dav-ext-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-dav-ext Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-dav-ext 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-dav-ext-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-echo Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-echo 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-echo-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-echo Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-echo 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-echo-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-fancyindex Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-fancyindex 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-fancyindex-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-fancyindex Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-fancyindex 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-fancyindex-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-geoip Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-geoip 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-geoip-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-geoip Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-geoip 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-geoip-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-geoip2 Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-geoip2 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-geoip2-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-headers-more-filter Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-headers-more-filter 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-headers-more-filter-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-headers-more-filter Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-headers-more-filter 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-headers-more-filter-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-image-filter Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-image-filter 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-image-filter-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-image-filter Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-image-filter 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-image-filter-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-lua Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-lua 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-lua-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-lua Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-lua 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-lua-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-ndk Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-ndk 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-ndk-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-ndk Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-ndk 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-ndk-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-perl Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-perl 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-perl-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-perl Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-perl 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-perl-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-subs-filter Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-subs-filter 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-subs-filter-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-subs-filter Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-subs-filter 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-subs-filter-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-uploadprogress Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-uploadprogress 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-uploadprogress-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-uploadprogress Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-uploadprogress 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-uploadprogress-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-upstream-fair Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-upstream-fair 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-upstream-fair-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-upstream-fair Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-upstream-fair 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-upstream-fair-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-http-xslt-filter Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-http-xslt-filter 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-http-xslt-filter-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-http-xslt-filter Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-http-xslt-filter 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-http-xslt-filter-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-mail Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-mail 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-mail-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-mail Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-mail 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-mail-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-nchan Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-nchan 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-nchan-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-nchan Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-nchan 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-nchan-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-rtmp Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-rtmp 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-rtmp-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-rtmp Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-rtmp 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-rtmp-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | libnginx-mod-stream Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [libnginx-mod-stream 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libnginx-mod-stream-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | libnginx-mod-stream Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [libnginx-mod-stream 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libnginx-mod-stream-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx rocky 8 | 1:1.20.1-1.module+el8.6.0+791+48a2bb9d | [RLSA-2022:0323](https://patchblox.com/security/data/fix/linux/rlsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-all-modules RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-all-modules almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-all-modules ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-common Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx-common 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-common-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx-common Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx-common 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-common-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx-core Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx-core 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-core-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx-core Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx-core 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-core-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx-extras Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx-extras 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-extras-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx-extras Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx-extras 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-extras-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx-filesystem RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-filesystem almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-filesystem ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-full Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx-full 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-full-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx-full Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx-full 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-full-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx-light Ubuntu 18.04.6 LTS (bionic) | 1.14.0-0ubuntu1.9 | [nginx-light 1.14.0-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nginx-light-1.14.0-0ubuntu1.9.md) | May 24, 2021 | | Linux | nginx-light Ubuntu 20.04 LTS (focal) | 1.18.0-0ubuntu1.2 | [nginx-light 1.18.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nginx-light-1.18.0-0ubuntu1.2.md) | May 24, 2021 | | Linux | nginx-mod-http-image-filter RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-image-filter almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-image-filter ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-mod-http-perl RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-perl almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-perl ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-mod-http-xslt-filter RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-xslt-filter almalinux 8 | 1:1.20.1-1.module_el8.5.0+2611+ab304644.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-http-xslt-filter ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-mod-mail RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-mail almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-mail ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | | Linux | nginx-mod-stream RHEL 8 | 1:1.20.1-1.module+el8.5.0+13723+ab304644 | [RHSA-2022:0323](https://patchblox.com/security/data/fix/linux/rhsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-stream almalinux 8 | 1:1.20.1-1.module_el8.6.0+2782+a022aca3.alma | [ALSA-2022:0323](https://patchblox.com/security/data/fix/linux/alsa-2022-0323.md) | Jan 31, 2022 | | Linux | nginx-mod-stream ol 8 | 1:1.18.0-3.0.1.module+el8.4.0+20183+8c128c59.1 | [ELSA-2021-2259](https://patchblox.com/security/data/fix/linux/elsa-2021-2259.md) | Jun 8, 2021 | --- Data as of 2026-11-08T13:06:02Z UTC. 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