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Fencer Intel
medium 4.3

CVE-2011-1202 json

The xsltGenerateIdFunction function in functions.c in libxslt 1.1.26 and earlier, as used in Google Chrome before 10.0.648.127 and other pr…

published 2011-03-11 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1210

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

The xsltGenerateIdFunction function in functions.c in libxslt 1.1.26 and earlier, as used in Google Chrome before 10.0.648.127 and other products, allows remote attackers to obtain potentially sensitive information about heap memory addresses via an XML document containing a call to the XSLT generate-id XPath function.

Patch / fix

  • google chrome 10.0.648.127
  • libxslt Debian 14, Debian 13, Debian 12 1.1.26-7

debian advisories DEBIAN-CVE-2011-1202

  • libxslt RHEL 5 1.1.17-4.el5_8.3
  • libxslt RHEL 6 1.1.26-2.el6_3.1
  • libxslt-python RHEL 5 1.1.17-4.el5_8.3
  • libxslt-python RHEL 6 1.1.26-2.el6_3.1
  • firefox RHEL 4 3.6.17-2.el4
  • firefox RHEL 5 3.6.17-1.el5_6
  • firefox RHEL 6 3.6.17-1.el6_0
  • xulrunner RHEL 5 1.9.2.17-3.el5_6

red hat advisories RHSA-2012:1265RHSA-2011:0471

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-1202 updated cvss 2.6

libxslt: Heap address leak in XLST

  • Red Hat Enterprise Linux 4 libxslt Red Hat Enterprise Linux 6 mingw32-libxslt
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) libxslt 1.1.17-4.el5_8.3, libxslt-python 1.1.17-4.el5_8.3
    fixed: vendor fix RHSA-2012:1265
  • Red Hat Enterprise Linux (v. 5.6.z server) firefox 3.6.17-1.el5_6, xulrunner 1.9.2.17-3.el5_6 Red Hat Enterprise Linux AS version 4 firefox 3.6.17-2.el4
    fixed: vendor fix RHSA-2011:0471
  • Red Hat Enterprise Linux Desktop (v. 5 client) libxslt 1.1.17-4.el5_8.3, libxslt-python 1.1.17-4.el5_8.3
    fixed: vendor fix RHSA-2012:1265
  • Red Hat Enterprise Linux Desktop (v. 6) firefox 3.6.17-1.el6_0, libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0 Red Hat Enterprise Linux Desktop Optional (v. 6) libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0, libxslt-python 1.1.26-2.el6_3.1 Red Hat Enterprise Linux Desktop version 4 firefox 3.6.17-2.el4 Red Hat Enterprise Linux ES version 4 firefox 3.6.17-2.el4
    fixed: vendor fix RHSA-2011:0471
  • Red Hat Enterprise Linux HPC Node (v. 6) libxslt 1.1.26-2.el6_3.1
    fixed: vendor fix RHSA-2012:1265
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 3.6.17-1.el6_0, libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0, libxslt-python 1.1.26-2.el6_3.1 Red Hat Enterprise Linux Server (v. 6) firefox 3.6.17-1.el6_0, libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0 Red Hat Enterprise Linux Server Optional (v. 6) libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0, libxslt-python 1.1.26-2.el6_3.1 Red Hat Enterprise Linux Workstation (v. 6) firefox 3.6.17-1.el6_0, libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0 Red Hat Enterprise Linux Workstation Optional (v. 6) libxslt 1.1.26-2.el6_3.1, xulrunner 1.9.2.17-4.el6_0, libxslt-python 1.1.26-2.el6_3.1 Red Hat Enterprise Linux WS version 4 firefox 3.6.17-2.el4
    fixed: vendor fix RHSA-2011:0471
  • Red Hat RHEL Desktop Workstation (v. 5 client) libxslt 1.1.17-4.el5_8.3
    fixed: vendor fix RHSA-2012:1265

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.49% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • code.google.com http://code.google.com/p/chromium/issues/detail?id=73716 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.