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Fencer Vulns
critical 9.3

CVE-2007-6435 json

Stack-based buffer overflow in Novell GroupWise before 6.5.7, when HTML preview of e-mail is enabled, allows user-assisted remote attackers…

published 2007-12-18 18 y ago modified 2026-06-16 4 mo ago also EUVD-2007-6401

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.6%
EPSS 6.6% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Stack-based buffer overflow in Novell GroupWise before 6.5.7, when HTML preview of e-mail is enabled, allows user-assisted remote attackers to execute arbitrary code via a long SRC attribute in an IMG element when forwarding or replying to a crafted e-mail.

Exploit prediction

6.59% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/26875 referenced PoC, tagged "exploit" by a source, unverified
  • infobyte.com.ar http://www.infobyte.com.ar/adv/ISR-16.html 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.