CVE-2011-1944 (GCVE-0-2011-1944)
Vulnerability from cvelistv5 – Published: 2011-09-02 16:00 – Updated: 2024-08-06 22:46
VLAI
EPSS
VEX
Summary
Integer overflow in xpath.c in libxml2 2.6.x through 2.6.32 and 2.7.x through 2.7.8, and libxml 1.8.16 and earlier, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
20 references
Date Public
2011-05-27 00:00
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XPath.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":9.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-189\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B6948CD9-8489-46BA-9159-24C842490702\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"35C43087-760E-482A-B34E-141A29AC57A4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"669211F7-90EA-47AB-A787-34DD79DF8E25\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"025B16D8-1023-4D47-BADD-C1E838B47D88\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"320E691F-D417-4D81-A223-C46FEFFD908A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F3B06B40-327D-4EFA-AD19-DA1CA7D50B4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EB8BEC58-AB2A-4953-A2E8-338EB894A494\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABDE6C9A-4F24-42B4-8AA3-3EBC97190322\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"44FB2813-BE9F-46A8-864B-435D883CA0FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F9DF1336-F831-4507-B45E-574BDE8AA8BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"33268B2F-3591-48D9-B123-92E3ABF157F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0830367A-9FB3-4291-88C0-38A471DFD22B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"73E4EB1B-2E8B-4504-AB05-F4D4E6B038E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B5815E25-5305-4A32-81B3-89DB1D5C1AC0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0AD69C98-11AB-4BB5-A91A-F029BA0E1DB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"98CF3A74-B9F8-4689-B81C-F579D827DA5C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6DBD9C7D-CD0B-4B5B-BEC2-F67610DEDE2B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"798F7A01-F006-4589-82F8-943F81015693\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"36940C55-BFD4-4C77-A26B-C0F273EAC2EC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.26:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"1D8135B1-FB22-4755-A5ED-CDB16E3E85A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.27:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B4685BF-394A-4426-980A-2B1D37737C06\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.30:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB8A074B-069A-4520-8E3C-AB614C31B68A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.6.32:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7069A49C-038C-4E7B-AF03-4D90D5734414\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87E895B9-5AF7-4A1F-B740-B3E13DE3254E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.7.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8FD29EFD-1ADB-4349-8E7D-EA6B34B0F6DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.7.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EC720A50-9EF5-4B73-86D1-AE87D402611E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.7.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"464942E8-EDF3-4ECB-B907-FFCDBC9079C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xmlsoft:libxml2:2.7.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E1246C0E-DCAC-405E-ADCE-3D16D659C567\"},{\"vulne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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2025-11-21T12:56:02+00:00",
"cve": "CVE-2011-1944",
"id": "CVE-2011-1944",
"initial_release_date": "2011-05-27T00:00:00+00:00",
"product_status:fixed": "313",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libxml2: Heap-based buffer overflow by adding new namespace node to an existing nodeset or merging nodesets",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-1944.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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