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CVE-2009-3622

Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated "UTF-8" substrings, related to the mb_convert_encoding function in PHP.
An official patch is available. Apply the patch as soon as possible.
-
CVSS
0.0
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P0.0 → 0.0
2026-07-21nvdpatch: Unavailable→Official Patch0.0 → 0.0
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD · PoC

Affected Software
VendorProductVersion
wordpresswordpress≤ 2.8.4
Published: 2009-10-23