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Fencer Intel
high 7.5

CVE-2011-3919 json

Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75, allows remote attackers to cause a denial of service or…

published 2012-01-07 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3873

cvss
7.5
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

Heap-based buffer overflow in libxml2, as used in Google Chrome before 16.0.912.75, allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

Patch / fix

  • google chrome 16.0.912.75
  • apple iphone_os 6.0
  • apple mac_os_x 10.7.4
  • libxml2 Debian 14, Debian 13, Debian 12 2.7.8.dfsg-7

debian advisories DEBIAN-CVE-2011-3919

  • mingw32-libxml2 RHEL 6 2.7.6-6.el6_3
  • libxml2 RHEL 6 2.7.6-4.el6_2.1
  • libxml2-python RHEL 6 2.7.6-4.el6_2.1
  • libxml2 RHEL 5 2.6.26-2.1.12.el5_7.2
  • libxml2-python RHEL 5 2.6.26-2.1.12.el5_7.2
  • libxml2 RHEL 4 2.6.16-12.9
  • libxml2-python RHEL 4 2.6.16-12.9
  • libxml2 RHEL 5.6 EUS 2.6.26-2.1.2.8.el5_6.2

red hat advisories RHSA-2013:0217RHSA-2012:0104RHSA-2012:0018RHSA-2012:0017RHSA-2012:0016

  • chromium openSUSE Tumbleweed 55.0.2883.75-3.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10171-1openSUSE-SU-2024:12948-1

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-2011-3919 updated cvss 6.8

libxml2: Heap-based buffer overflow when decoding an entity reference with a long name

  • Red Hat Enterprise Linux (v. 5 server) libxml2 2.6.26-2.1.12.el5_7.2, libxml2-python 2.6.26-2.1.12.el5_7.2
    fixed: vendor fix RHSA-2012:0017
  • Red Hat Enterprise Linux AS version 4 libxml2 2.6.16-12.9, libxml2-python 2.6.16-12.9
    fixed: vendor fix RHSA-2012:0016
  • Red Hat Enterprise Linux Desktop (v. 5 client) libxml2 2.6.26-2.1.12.el5_7.2, libxml2-python 2.6.26-2.1.12.el5_7.2
    fixed: vendor fix RHSA-2012:0017
  • Red Hat Enterprise Linux Desktop (v. 6) libxml2 2.7.6-4.el6_2.1, libxml2-python 2.7.6-4.el6_2.1 Red Hat Enterprise Linux Desktop Optional (v. 6) libxml2 2.7.6-4.el6_2.1, mingw32-libxml2 2.7.6-6.el6_3
    fixed: vendor fix RHSA-2012:0018
  • Red Hat Enterprise Linux Desktop version 4 libxml2 2.6.16-12.9, libxml2-python 2.6.16-12.9 Red Hat Enterprise Linux ES version 4 libxml2 2.6.16-12.9, libxml2-python 2.6.16-12.9
    fixed: vendor fix RHSA-2012:0016
  • Red Hat Enterprise Linux EUS (v. 5.6 server) libxml2 2.6.26-2.1.2.8.el5_6.2, libxml2-python 2.6.26-2.1.2.8.el5_6.2
    fixed: vendor fix RHSA-2012:0104
  • Red Hat Enterprise Linux HPC Node (v. 6) libxml2 2.7.6-4.el6_2.1, libxml2-python 2.7.6-4.el6_2.1 Red Hat Enterprise Linux HPC Node Optional (v. 6) libxml2 2.7.6-4.el6_2.1, mingw32-libxml2 2.7.6-6.el6_3 Red Hat Enterprise Linux Server (v. 6) libxml2 2.7.6-4.el6_2.1, libxml2-python 2.7.6-4.el6_2.1 Red Hat Enterprise Linux Server Optional (v. 6) libxml2 2.7.6-4.el6_2.1, mingw32-libxml2 2.7.6-6.el6_3 Red Hat Enterprise Linux Workstation (v. 6) libxml2 2.7.6-4.el6_2.1, libxml2-python 2.7.6-4.el6_2.1 Red Hat Enterprise Linux Workstation Optional (v. 6) libxml2 2.7.6-4.el6_2.1, mingw32-libxml2 2.7.6-6.el6_3
    fixed: vendor fix RHSA-2012:0018
  • Red Hat Enterprise Linux WS version 4 libxml2 2.6.16-12.9, libxml2-python 2.6.16-12.9
    fixed: vendor fix RHSA-2012:0016
show 1 more
  • Red Hat RHEL Desktop Workstation (v. 5 client) libxml2 2.6.26-2.1.12.el5_7.2
    fixed: vendor fix RHSA-2012:0017

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

2.48% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
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.