CVE-2011-1753
expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial
02 Description
expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial
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
- 2.12% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.8% 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 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
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
- 2011-06-21 01:00Z15 YR AGO
- Last updated
- 2024-08-06 22:37Z2 YR AGO
- Reserved
- 2011-04-19
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- a5a3264255c4f57e5768bd1f42b2d045cf60d3fc2ebe2dc8e43c615951120543
05 Affected products
06 References
- exchange.xforce.ibmcloud.comejabberd-xml-dos(67769)https://exchange.xforce.ibmcloud.com/vulnerabilities/67769
- www.debian.orgDSA-2248http://www.debian.org/security/2011/dsa-2248
- www.process-one.nethttp://www.process-one.net/en/ejabberd/release_notes/release_note_ejabberd_2.1.7/
- secunia.com44765http://secunia.com/advisories/44765
- git.process-one.nethttps://git.process-one.net/ejabberd/mainline/commit/bd1df027c622e1f96f9eeaac612a6a956c1ff0b6
- lists.fedoraproject.orgFEDORA-2011-8415http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062099.html
- www.ejabberd.imhttp://www.ejabberd.im/ejabberd-2.1.7
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=700454
- secunia.com44807http://secunia.com/advisories/44807
- www.securityfocus.com48072http://www.securityfocus.com/bid/48072
- lists.fedoraproject.orgFEDORA-2011-8437http://lists.fedoraproject.org/pipermail/package-announce/2011-June/062145.html
- secunia.com45120http://secunia.com/advisories/45120
07 Fixed in
Debian 12
- ejabberd Fixed in 2.1.6-2.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ejabberd Fixed in 2.1.6-2.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- ejabberd Fixed in 2.1.6-2.1
Source: Debian Security Tracker, the Debian security team. 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.