Is CVE-2010-2531 being actively exploited?

CVE-2010-2531 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2010-2531?

CVE-2010-2531 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2010-2531

MEDIUM · CVSS 4.3EPSS 5.0%EU EUVD

The var_export function in PHP 5.2 before 5.2.14 and 5.3 before 5.3.3 flushes the output buffer to the user when certain fatal errors occur, even if display_errors is off, which allows remote attackers to obtain sensitive information by causing the application to exceed limits for memory, execution time, or recursion.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 5.0% (92th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2010-2535)
Published: August 20, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-2535 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
debian / debian linux
php / php

References

http://lists.apple.com/archives/security-announce/2010//Aug/msg00003.html(Mailing List, Third Party Advisory)
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00000.html(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=130331363227777&w=2(Mailing List, Third Party Advisory)
http://marc.info/?l=bugtraq&m=133469208622507&w=2(Mailing List, Third Party Advisory)
http://secunia.com/advisories/42410(Broken Link)
http://support.apple.com/kb/HT4312(Third Party Advisory)
http://support.apple.com/kb/HT4435(Third Party Advisory)
http://svn.php.net/viewvc/php/php-src/trunk/ext/standard/tests/general_functions/var_export_error2.phpt?view=log&pathrev=301143(Vendor Advisory)
http://www.debian.org/security/2011/dsa-2266(Third Party Advisory)
http://www.openwall.com/lists/oss-security/2010/07/13/1(Mailing List, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2010/07/16/3(Mailing List, Third Party Advisory)
http://www.php.net/archive/2010.php#id2010-07-22-1(Vendor Advisory)
http://www.php.net/archive/2010.php#id2010-07-22-2(Vendor Advisory)
http://www.redhat.com/support/errata/RHSA-2010-0919.html(Third Party Advisory)
http://www.vupen.com/english/advisories/2010/3081(Permissions Required)
https://bugzilla.redhat.com/show_bug.cgi?id=617673(Issue Tracking, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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