CVE-2023-22909: 
NixOS vulnerability analysis and mitigation

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. The vulnerability, identified as CVE-2023-22909, affects the SpecialMobileHistory component of MediaWiki and was disclosed on January 10, 2023 (NVD).

The vulnerability is characterized by slow database queries in the SpecialMobileHistory component that can be exploited by remote attackers. The issue has been assigned a CVSS v3.1 Base Score of 5.3 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L, indicating that it is network-accessible, requires low attack complexity, and needs no privileges or user interaction to exploit (NVD).

The vulnerability can lead to a denial of service condition when exploited, affecting the availability of the MediaWiki service. The impact is primarily focused on system availability, with no direct effect on confidentiality or integrity (NVD).

The vulnerability has been fixed in MediaWiki versions 1.35.9, 1.38.5, and 1.39.1. Users are advised to upgrade to these or later versions to mitigate the risk. The fix has been incorporated into various distribution packages, including Fedora 37 which released an update (mediawiki-1.38.5-1.fc37) to address this issue (Fedora Update).