CVE-2014-3660
parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU
02 Description
parser.c in libxml2 before 2.9.2 does not properly prevent entity expansion even when entity substitution has been disabled, which allows context-dependent attackers to cause a denial of service (CPU
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.78% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.9% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-11-04 16:00Z11 YR AGO
- Last updated
- 2024-08-06 10:50Z2 YR AGO
- Reserved
- 2014-05-14
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-400Uncontrolled Resource ConsumptionClass
- Data version
- 5.1
- Document digest
- 832a6348ed2223db0a0f71bdf24ae1e13d4136f500b53a8b5ff8a56b4dbcee37
05 Affected products
06 References
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- secunia.com59903http://secunia.com/advisories/59903
- www.ncsc.nlhttps://www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html
- www.debian.orgDSA-3057http://www.debian.org/security/2014/dsa-3057
- support.apple.comhttps://support.apple.com/kb/HT205030
- www.securityfocus.com70644http://www.securityfocus.com/bid/70644
- lists.opensuse.orgopenSUSE-SU-2014:1330http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/attachment.cgi?id=944444&action=diff
- secunia.com61966http://secunia.com/advisories/61966
- secunia.com61965http://secunia.com/advisories/61965
- www.ubuntu.comUSN-2389-1http://www.ubuntu.com/usn/USN-2389-1
- lists.apple.comAPPLE-SA-2015-08-13-2http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
- lists.apple.comAPPLE-SA-2015-08-13-3http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
- www.openwall.com[oss-security] 20141017 libxml2 issue: billioun laughs variant (CVE-2014-3660)http://www.openwall.com/lists/oss-security/2014/10/17/7
- www.mandriva.comMDVSA-2014:244http://www.mandriva.com/security/advisories?name=MDVSA-2014:244
- rhn.redhat.comRHSA-2014:1655http://rhn.redhat.com/errata/RHSA-2014-1655.html
- rhn.redhat.comRHSA-2014:1885http://rhn.redhat.com/errata/RHSA-2014-1885.html
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1149084
- www.oracle.comhttp://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- secunia.com61991http://secunia.com/advisories/61991
- kb.juniper.nethttp://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- lists.opensuse.orgopenSUSE-SU-2015:2372http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html
- support.apple.comhttps://support.apple.com/kb/HT205031
07 Fixed in
Debian 12
- libxml2 Fixed in 2.9.2+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libxml2 Fixed in 2.9.2+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libxml2 Fixed in 2.9.2+dfsg1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- libxml2 Fixed in 2.9.1+dfsg1-3ubuntu4.4
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.