PT-2025-40910 · Mediawiki · Kbucket

Somemwdev · Published 2025-10-06 · Updated 2025-10-06 · CVE-2025-61766

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Bucket versions prior to 1.0.0

Description The Bucket MediaWiki extension has an issue where infinite recursion can occur when querying a bucket using the != comparator. This can lead to PHP exceeding its call stack limit and increased memory consumption, potentially resulting in a denial of service.

Recommendations Update to version 1.0.0 or later.

Exploit

Fix

DoS

Uncontrolled Recursion

Weakness Enumeration

CWE-674

Related Identifiers

CVE-2025-61766

GHSA-R9F2-4JH3-659J

Affected Products

Kbucket

References · 11

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/61xxx/CVE-2025-61766.json · Exploit
• https://osv.dev/vulnerability/CVE-2025-61766 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-61766 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-61766 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-61766 · Security Note
• https://cve.org/CVERecord?id=CVE-2025-61766 · Security Note
• https://github.com/weirdgloop/mediawiki-extensions-Bucket/blob/ad704120a1660b5929fb5825db1cf85c9c77acf4/includes/Expression/MemberOfExpression.php#L34 · Note
• https://github.com/weirdgloop/mediawiki-extensions-Bucket/commit/6f4a71d531cb802cdb991d2a4ca7bf8fb691defd · Note
• https://github.com/weirdgloop/mediawiki-extensions-Bucket/security/advisories/GHSA-r9f2-4jh3-659j · Note
• https://twitter.com/CVEnew/status/1975234268545847596 · Twitter Post
• https://t.me/CVEtracker/34261 · Telegram Post