CVE-2012-2870

CVE-2012-2870 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 2% (82nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Google Chrome
• Published: 2012-08-31
• Last modified: 2026-06-16

Description

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.

Frequently asked questions

What is CVE-2012-2870?

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.

How severe is CVE-2012-2870?

CVE-2012-2870 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-2870 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2870?

CVE-2012-2870 primarily affects Google Chrome. In total, 118 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-2870?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-2870 published?

CVE-2012-2870 was published on 2012-08-31 and last updated on 2026-06-16.

References

• http://code.google.com/p/chromium/issues/detail?id=138672
• http://code.google.com/p/chromium/issues/detail?id=140368
• http://googlechromereleases.blogspot.com/2012/08/stable-channel-update_30.html
• http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html
• http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html
• http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00030.html
• http://secunia.com/advisories/50838
• http://secunia.com/advisories/54886
• http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?r1=75684&r2=149998
• http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/functions.c?view=log
• http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?r1=118654&r2=150123
• http://src.chromium.org/viewvc/chrome/trunk/src/third_party/libxslt/libxslt/pattern.c?view=log
• http://support.apple.com/kb/HT5934
• http://support.apple.com/kb/HT6001
• http://www.debian.org/security/2012/dsa-2555
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:164
• https://chromiumcodereview.appspot.com/10823168
• https://chromiumcodereview.appspot.com/10830177

Affected products (118)

• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.3:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.4:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.5:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:2.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.1.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.1.3:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:3.2.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.2.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.2.5:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.2.8:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.3.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.3.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.3.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:4.3.5:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:5.0.1:*:*:*:*:*:*:*

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