Stack-based buffer overflow in the Meta Content Optimizer in Konae Technologies Alleycode HTML Editor 2.21 allows user-assisted remote atta…

published 2009-10-16 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3681

cvss: 9.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.5%; EPSS 4.5% chance of exploitation in 30 days, percentile 91%
public exploits: 2; Exploit-DB

Stack-based buffer overflow in the Meta Content Optimizer in Konae Technologies Alleycode HTML Editor 2.21 allows user-assisted remote attackers to execute arbitrary code via a long value in a (1) description or (2) keyword META tag. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Timeline

2009-10-05 First public exploit (EDB-9991)
2009-10-16 Published

Exploit prediction

4.49% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

EDB-9991 Alleycode 2.21 - Local Overflow (SEH) local, 2009-10-05
EDB-9866 Alleycode HTML Editor 2.2.1 - Local Buffer Overflow local, 2009-10-29

CVSS scores

assigned by	version	score	vector
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

secunia.com /advisories/36940
third-party-advisory, vendor-advisory
osvdb.org /58649
vdb-entry

Sources

CVE List CVE-2009-3708
NVD CVE-2009-3708

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary