Skip to content
Fencer Vulns
high 7.5

CVE-2007-1777 in the critical feed json

Integer overflow in the zip_read_entry function in PHP 4 before 4.4.5 allows remote attackers to execute arbitrary code via a ZIP archive t…

published 2007-03-30 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-1771

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
15.5%
EPSS 15.5% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Integer overflow in the zip_read_entry function in PHP 4 before 4.4.5 allows remote attackers to execute arbitrary code via a ZIP archive that contains an entry with a length value of 0xffffffff, which is incremented before use in an emalloc call, triggering a heap overflow.

Timeline

  1. First public exploit (EDB-29788)
  2. Published

Exploit prediction

15.54% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-29788 PHP 4.4.4 - 'Zip_Entry_Read()' Integer Overflow remote, 2007-03-27
  • php-security.org http://www.php-security.org/MOPB/MOPB-35-2007.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/23169 referenced PoC, tagged "exploit" by a source, unverified

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.