Skip to content
Fencer Intel
medium 4.3

CVE-2010-3710 json

Stack consumption vulnerability in the filter_var function in PHP 5.2.x through 5.2.14 and 5.3.x through 5.3.3, when FILTER_VALIDATE_EMAIL…

published 16y ago modified 4mo ago also EUVD-2010-3692

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Stack consumption vulnerability in the filter_var function in PHP 5.2.x through 5.2.14 and 5.3.x through 5.3.3, when FILTER_VALIDATE_EMAIL mode is used, allows remote attackers to cause a denial of service (memory consumption and application crash) via a long e-mail address string.

Patch / fix

  • php53 RHEL 5 5.3.3-1.el5_6.1
  • php53-gd RHEL 5 5.3.3-1.el5_6.1
  • php53-cli RHEL 5 5.3.3-1.el5_6.1
  • php53-dba RHEL 5 5.3.3-1.el5_6.1
  • php53-pdo RHEL 5 5.3.3-1.el5_6.1
  • php53-xml RHEL 5 5.3.3-1.el5_6.1
  • php53-imap RHEL 5 5.3.3-1.el5_6.1
  • php53-intl RHEL 5 5.3.3-1.el5_6.1

red hat advisories RHSA-2011:0196

  • php7 openSUSE Tumbleweed 7.0.14-1.4
  • php5 openSUSE Tumbleweed 5.6.28-1.1
  • php8 openSUSE Tumbleweed 8.0.11-1.1

opensuse advisories openSUSE-SU-2024:10290-1openSUSE-SU-2024:10344-1openSUSE-SU-2024:11169-1

Is CVE-2010-3710 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2010-3710 updated cvss 4.3

php: DoS in filter_var() via long email string

  • Red Hat Enterprise Linux (v. 5.6.z server) php53 5.3.3-1.el5_6.1, php53-gd 5.3.3-1.el5_6.1, php53-cli 5.3.3-1.el5_6.1, php53-dba 5.3.3-1.el5_6.1, php53-pdo 5.3.3-1.el5_6.1, php53-xml 5.3.3-1.el5_6.1, +14 more
    fixed: vendor fix RHSA-2011:0196
  • 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

Exploit prediction

3.09% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugs.php.net http://bugs.php.net/bug.php?id=52929 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-399 Resource Management Errors
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.