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Vulnerability record · CVE-2010-2950 · published 28 September 2010

CVE-2010-2950: Php vulnerability

Php · Php

Format string vulnerability in stream.c in the phar extension in PHP 5.3.x through 5.3.3 allows context-dependent attackers to obtain sensitive information (memory contents) and possibly execute arbitrary code via a crafted phar:// URI that is not properly handled by the phar_stream_flush function, leading to errors in the php_stream_wrapper_log_error function. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-2094.

6.8 CVSS 2.0 Medium EPSS 5.7% · top 7.3% CWE-134 · CWE-134
6.8CVSS 2.0 base score
5.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in stream.c in the phar extension in PHP 5.3.x through 5.3.3 allows context-dependent attackers to obtain sensitive information (memory contents) and possibly execute arbitrary code via a crafted phar:// URI that is not properly handled by the phar_stream_flush function, leading to errors in the php_stream_wrapper_log_error function. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-2094.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html Exploit
http://marc.info/?l=bugtraq&m=130331363227777&w=2
http://php-security.org/2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html
http://security-tracker.debian.org/tracker/CVE-2010-2950
http://support.apple.com/kb/HT4581
http://svn.php.net/viewvc?view=revision&revision=302565
http://www.mandriva.com/security/advisories?name=MDVSA-2010:254
http://www.php.net/ChangeLog-5.php
http://www.php.net/archive/2010.php#id2010-12-10-1
http://www.php.net/releases/5_3_4.php
https://bugzilla.redhat.com/show_bug.cgi?id=598537
http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html Exploit
http://marc.info/?l=bugtraq&m=130331363227777&w=2
http://php-security.org/2010/05/14/mops-2010-024-php-phar_stream_flush-format-string-vulnerability/index.html
http://security-tracker.debian.org/tracker/CVE-2010-2950
http://support.apple.com/kb/HT4581
http://svn.php.net/viewvc?view=revision&revision=302565
http://www.mandriva.com/security/advisories?name=MDVSA-2010:254
http://www.php.net/ChangeLog-5.php
http://www.php.net/archive/2010.php#id2010-12-10-1
http://www.php.net/releases/5_3_4.php
https://bugzilla.redhat.com/show_bug.cgi?id=598537

Track CVE-2010-2950 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-2950), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.