U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2005-2491 Detail

Description

Integer overflow in pcre_compile.c in Perl Compatible Regular Expressions (PCRE) before 6.2, as used in multiple products such as Python, Ethereal, and PHP, allows attackers to execute arbitrary code via quantifier values in regular expressions, which leads to a heap-based buffer overflow.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Vendor Statements (disclaimer)

Official Statement from Apache (07/02/2008)

Fixed in Apache 2.0.55: http://httpd.apache.org/security/vulnerabilities_20.html

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.10/SCOSA-2006.10.txt CVE, Inc., Red Hat
ftp://patches.sgi.com/support/free/security/advisories/20060401-01-U CVE, Inc., Red Hat
http://docs.info.apple.com/article.html?artnum=302847 CVE, Inc., Red Hat
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00786522 CVE, Inc., Red Hat
http://lists.trustix.org/pipermail/tsl-announce/2005-October/000354.html CVE, Inc., Red Hat
http://marc.info/?l=bugtraq&m=112605112027335&w=2 CVE, Inc., Red Hat
http://marc.info/?l=bugtraq&m=112606064317223&w=2 CVE, Inc., Red Hat
http://marc.info/?l=bugtraq&m=130497311408250&w=2 CVE, Inc., Red Hat
http://secunia.com/advisories/16502 CVE, Inc., Red Hat
http://secunia.com/advisories/16679 CVE, Inc., Red Hat
http://secunia.com/advisories/17252 CVE, Inc., Red Hat
http://secunia.com/advisories/17813 CVE, Inc., Red Hat
http://secunia.com/advisories/19072 CVE, Inc., Red Hat
http://secunia.com/advisories/19193 CVE, Inc., Red Hat
http://secunia.com/advisories/19532 CVE, Inc., Red Hat
http://secunia.com/advisories/21522 CVE, Inc., Red Hat
http://secunia.com/advisories/22691 CVE, Inc., Red Hat
http://secunia.com/advisories/22875 CVE, Inc., Red Hat
http://securityreason.com/securityalert/604 CVE, Inc., Red Hat
http://securitytracker.com/id?1014744 CVE, Inc., Red Hat Patch 
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102198-1 CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2005-216.pdf CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2005-223.pdf CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2006-081.htm CVE, Inc., Red Hat
http://support.avaya.com/elmodocs2/security/ASA-2006-159.htm CVE, Inc., Red Hat
http://www.debian.org/security/2005/dsa-800 CVE, Inc., Red Hat
http://www.debian.org/security/2005/dsa-817 CVE, Inc., Red Hat
http://www.debian.org/security/2005/dsa-819 CVE, Inc., Red Hat
http://www.debian.org/security/2005/dsa-821 CVE, Inc., Red Hat
http://www.ethereal.com/appnotes/enpa-sa-00021.html CVE, Inc., Red Hat URL Repurposed 
http://www.gentoo.org/security/en/glsa/glsa-200508-17.xml CVE, Inc., Red Hat
http://www.gentoo.org/security/en/glsa/glsa-200509-02.xml CVE, Inc., Red Hat
http://www.gentoo.org/security/en/glsa/glsa-200509-08.xml CVE, Inc., Red Hat
http://www.gentoo.org/security/en/glsa/glsa-200509-12.xml CVE, Inc., Red Hat
http://www.gentoo.org/security/en/glsa/glsa-200509-19.xml CVE, Inc., Red Hat
http://www.novell.com/linux/security/advisories/2005_48_pcre.html CVE, Inc., Red Hat
http://www.novell.com/linux/security/advisories/2005_49_php.html CVE, Inc., Red Hat
http://www.novell.com/linux/security/advisories/2005_52_apache2.html CVE, Inc., Red Hat
http://www.php.net/release_4_4_1.php CVE, Inc., Red Hat
http://www.redhat.com/support/errata/RHSA-2005-358.html CVE, Inc., Red Hat
http://www.redhat.com/support/errata/RHSA-2005-761.html CVE, Inc., Red Hat
http://www.redhat.com/support/errata/RHSA-2006-0197.html CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/427046/100/0/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/archive/1/428138/100/0/threaded CVE, Inc., Red Hat
http://www.securityfocus.com/bid/14620 CVE, Inc., Red Hat
http://www.securityfocus.com/bid/15647 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2005/1511 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2005/2659 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/0789 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4320 CVE, Inc., Red Hat
http://www.vupen.com/english/advisories/2006/4502 CVE, Inc., Red Hat
https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/rafd145ba6cd0a4ced113a5823cdaff45aeb36eb09855b216401c66d6%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/rd65d8ba68ba17e7deedafbf5bb4899f2ae4dad781d21b931c2941ac3%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/re895fc1736d25c8cf57e102c871613b8aeec9ea26fd8a44e7942b5ab%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11516 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1496 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1659 CVE, Inc., Red Hat
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A735 CVE, Inc., Red Hat

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

15 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2005-2491
NVD Published Date:
08/23/2005
NVD Last Modified:
04/02/2025
Source:
Red Hat, Inc.