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Fencer Vulns
high 7.5

CVE-2007-4255 json

Buffer overflow in the mSQL extension in PHP 5.2.3 allows context-dependent attackers to execute arbitrary code via a long first argument t…

published 2007-08-08 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-4238

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.3%
EPSS 9.3% chance of exploitation in 30 days, percentile 95%
public exploits
2
Exploit-DB

Summary

Buffer overflow in the mSQL extension in PHP 5.2.3 allows context-dependent attackers to execute arbitrary code via a long first argument to the msql_connect function.

Timeline

  1. First public exploit (EDB-4260)
  2. Published

Exploit prediction

9.33% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4270 PHP mSQL (msql_connect) - Local Buffer Overflow local, 2007-08-08
  • EDB-4260 PHP mSQL (msql_connect) - Local Buffer Overflow (PoC) dos, 2007-08-06

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Technology feeds

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.