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Fencer Vulns
critical 9.3

CVE-2009-1352 json

Stack-based buffer overflow in Dawningsoft PowerCHM 5.7 allows remote attackers to cause a denial of service (application crash) and possib…

published 2009-04-21 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1350

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.6%
EPSS 5.6% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Stack-based buffer overflow in Dawningsoft PowerCHM 5.7 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an HTML file with a link to a long URL, as demonstrated by a .rar URL.

Timeline

  1. First public exploit (EDB-8434)
  2. Published

Exploit prediction

5.55% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8434 PowerCHM 5.7 - Long URL Local Stack Overflow (PoC) dos, 2009-04-14
  • securityfocus.com http://www.securityfocus.com/bid/34517 referenced PoC, tagged "exploit" by a source, unverified

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

Sources

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.