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CVE-2012-2870

16
FAUCET Score

CVE-2012-2870 describes a memory management vulnerability in libxslt versions 1.1.26 and earlier, including its use in Google Chrome before 21.0.1180.89. This flaw, related to improper identification during XPath navigation in XSLT expressions, could allow a remote attacker to trigger a denial of service (application crash). With a CVSS score of 4.3, this vulnerability has a network attack vector, medium attack complexity, and a potential impact of partial availability loss. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

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

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0245 is in the 73rd 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

No media coverage found for this CVE.

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-2012-2870Low

libxslt: Use-after-free when processing an invalid XPath expression

Aug 31, 2012

References

code.google.com / p/chromium/issues/detail
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 / 10823168
chromiumcodereview.appspot.com / 10830177
secunia.com / advisories/50838
secunia.com / advisories/54886
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c
src.chromium.org / viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c
support.apple.com / kb/HT5934
support.apple.com / kb/HT6001
debian.org / security/2012/dsa-2555
mandriva.com / security/advisories