libxml2: Heap-based buffer overflow when decoding an entity reference with a long name
Published Jan 7, 2012
7.5
HIGHCVSS 2.0
EPSS 2.39%
Description
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.
Affected products
No data.
Configuration 3
- 10
Configuration 4
- 6.0
- 6.0
- 6.3
- 6.0
Configuration 5
- 5.0
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 4
libxml2-0:2.6.16-12.9
Fixed · RHSA-2012:0016
Red Hat Enterprise Linux 5
libxml2-0:2.6.26-2.1.12.el5_7.2
Fixed · RHSA-2012:0017
Red Hat Enterprise Linux 5.6 EUS - Server Only
libxml2-0:2.6.26-2.1.2.8.el5_6.2
Fixed · RHSA-2012:0104
Red Hat Enterprise Linux 6
libxml2-0:2.7.6-4.el6_2.1
Fixed · RHSA-2012:0018
Red Hat Enterprise Linux 6
mingw32-libxml2-0:2.7.6-6.el6_3
Fixed · RHSA-2013:0217
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | libxml2-0:2.6.16-12.9 | Fixed | RHSA-2012:0016 |
| Red Hat Enterprise Linux 5 | libxml2-0:2.6.26-2.1.12.el5_7.2 | Fixed | RHSA-2012:0017 |
| Red Hat Enterprise Linux 5.6 EUS - Server Only | libxml2-0:2.6.26-2.1.2.8.el5_6.2 | Fixed | RHSA-2012:0104 |
| Red Hat Enterprise Linux 6 | libxml2-0:2.7.6-4.el6_2.1 | Fixed | RHSA-2012:0018 |
| Red Hat Enterprise Linux 6 | mingw32-libxml2-0:2.7.6-6.el6_3 | Fixed | RHSA-2013:0217 |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue affected the versions of libxml2 as shipped with Red Hat Enterprise Linux 4, 5 and 6 and has been addressed via RHSA-2012:0016, RHSA-2012:0017 and RHSA-2012:0018 respectively.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.39% (0.02386) | 83.32th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.40% (0.02399) | 81.80th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.48% (0.02480) | 83.89th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.08% (0.05085) | 82.64th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.33% (0.02333) | 83.73th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.98% (0.02984) | 91.26th | v3 (v2023.03.01) |
| Jul 7, 2024 | 2.70% (0.02698) | 90.56th | v3 (v2023.03.01) |
| Nov 8, 2023 | 2.47% (0.02473) | 88.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.52% (0.01525) | 84.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
References (19)
- http://code.google.com/p/chromium/issues/detail?id=107128 x_refsource_CONFIRM
- http://googlechromereleases.blogspot.com/2012/01/stable-channel-update.html x_refsource_CONFIRM
- http://lists.apple.com/archives/security-announce/2012/May/msg00001.html vendor-advisoryx_refsource_APPLE
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.html vendor-advisoryx_refsource_APPLE
- http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2013-0217.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/47449 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/55568 third-party-advisoryx_refsource_SECUNIA
- http://support.apple.com/kb/HT5281 x_refsource_CONFIRM
- http://support.apple.com/kb/HT5503 x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2394 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:005 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/51300 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1026487 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2011-3919 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=771896 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-3919
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14504 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-3919
Change history (0)
No recorded changes yet.