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CVE-2012-2871

23
FAUCET Score

CVE-2012-2871 describes a vulnerability in libxml2 versions 2.9.0-rc1 and earlier, affecting products like Google Chrome and Apple's iPhone OS, where improper handling of XSL transforms can lead to a denial of service. With a CVSS score of 6.8 (medium severity), this vulnerability can be exploited remotely with medium attack complexity, potentially resulting in partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or inclusion in CISA's KEV catalog, though it has received some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 6.1.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
1.1.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.38%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0238 is in the 72nd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libxslt-0:1.1.17-4.el5_8.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libxslt-0:1.1.26-2.el6_3.1
View patch

Vendor Advisories (1)

redhatCVE-2012-2871Important

libxslt: Heap-buffer overflow caused by bad cast in XSL transforms

Aug 31, 2012

References

code.google.com / p/chromium/issues/detail
googlechromereleases.blogspot.com / 2012/08/stable-channel-update_30.html
lists.apple.com / archives/security-announce/2013/Oct/msg00009.html
lists.apple.com / archives/security-announce/2013/Sep/msg00006.html
lists.opensuse.org / opensuse-security-announce/2012-09/msg00030.html
chromiumcodereview.appspot.com / 10824157
secunia.com / advisories/50838
secunia.com / advisories/54886
exchange.xforce.ibmcloud.com / vulnerabilities/78179
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxml/src/include/libxml/tree.h
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxml/src/include/libxml/tree.h
support.apple.com / kb/HT5934
support.apple.com / kb/HT6001
debian.org / security/2012/dsa-2555
mandriva.com / security/advisories