CVE-2011-2188
LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document
02 Description
LuaExpat before 1.2.0 does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document
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
- 1.74% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.3% 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 22:53Z2 YR AGO
- Reserved
- 2011-05-31
- 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
- ffa29e9b71cfcf2a205b1497d5ddc425b23b9f24c53666f4fe665299a3125ea1
05 Affected products
06 References
- www.securityfocus.com48123http://www.securityfocus.com/bid/48123
- www.openwall.com[oss-security] 20110606 CVE Request -- LuaExpat -- Prone to XML "billion laughs attack"http://www.openwall.com/lists/oss-security/2011/06/06/4
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=711027
- www.openwall.com[oss-security] 20110606 Re: CVE Request -- LuaExpat -- Prone to XML "billion laughs attack"http://www.openwall.com/lists/oss-security/2011/06/06/19
- bugs.debian.orghttp://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629225
- exchange.xforce.ibmcloud.comluaexpat-xml-dos(67862)https://exchange.xforce.ibmcloud.com/vulnerabilities/67862
- secunia.com44866http://secunia.com/advisories/44866
07 Fixed in
Debian 12
- lua-expat Fixed in 1.2.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- lua-expat Fixed in 1.2.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- lua-expat Fixed in 1.2.0-1
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.