CVE-2011-2821

libxml2: double free caused by malformed XPath expression in XSLT

Severity Score

7.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Double free vulnerability in libxml2, as used in Google Chrome before 13.0.782.215, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted XPath expression.

Doble vulnerabilidad libre en libxml2, como se usa en Google Chrome antes de v13.0.782.215, permite a atacantes remotos causar una denegación de servicio o posiblemente tener un impacto no especificado a través de una expresión XPath manipulada.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-07-20 CVE Reserved
2011-08-29 CVE Published
2023-11-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-415: Double Free
CWE-672: Operation on a Resource after Expiration or Release

CAPEC

References (14)

URL	Tag	Source
http://code.google.com/p/chromium/issues/detail?id=89402	X_refsource_confirm
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update_22.html	X_refsource_confirm
http://support.apple.com/kb/HT5281	X_refsource_confirm
http://support.apple.com/kb/HT5503	X_refsource_confirm
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13840	Signature

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041	2023-11-07
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html	2023-11-07
http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html	2023-11-07
http://rhn.redhat.com/errata/RHSA-2013-0217.html	2023-11-07
http://www.debian.org/security/2012/dsa-2394	2023-11-07
http://www.mandriva.com/security/advisories?name=MDVSA-2011:145	2023-11-07
http://www.redhat.com/support/errata/RHSA-2011-1749.html	2023-11-07
https://access.redhat.com/security/cve/CVE-2011-2821	2013-01-31
https://bugzilla.redhat.com/show_bug.cgi?id=735712	2013-01-31

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Google Search vendor "Google"		Chrome Search vendor "Google" for product "Chrome"				< 13.0.782.215 Search vendor "Google" for product "Chrome" and version " < 13.0.782.215"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				5.0 Search vendor "Debian" for product "Debian Linux" and version "5.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				6.0 Search vendor "Debian" for product "Debian Linux" and version "6.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Eus Search vendor "Redhat" for product "Enterprise Linux Eus"				6.3 Search vendor "Redhat" for product "Enterprise Linux Eus" and version "6.3"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Apple Search vendor "Apple"		Iphone Os Search vendor "Apple" for product "Iphone Os"				< 6.0 Search vendor "Apple" for product "Iphone Os" and version " < 6.0"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.7.4 Search vendor "Apple" for product "Mac Os X" and version " < 10.7.4"		-		Affected