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Fencer Intel
medium 4.3

CVE-2011-1470 json

The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive…

published 2011-03-20 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1475

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.5%
EPSS 9.5% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

The Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (application crash) via a ziparchive stream that is not properly handled by the stream_get_contents function.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1470 updated cvss 4.3

php: crash when processing certain Zip archives

  • Red Hat Enterprise Linux 4 php Red Hat Enterprise Linux 5 php, php53 Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-35484)
  2. Published

Exploit prediction

9.52% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35484 PHP 5.3.x 'Zip' Extension - 'stream_get_contents()' Denial of Service dos, 2011-03-10
  • bugs.php.net http://bugs.php.net/bug.php?id=53579 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Intel 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.