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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*", "matchCriteriaId": "31459596-1117-4925-A7C3-0D362AD87789", "versionEndIncluding": "2.11.5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is \"I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail.\""}, {"lang": "es", "value": "** EN DISPUTA ** libxml2 hasta 2.11.5 tiene un use-after-free que solo puede ocurrir despu\u00e9s de que falla una determinada asignaci\u00f3n de memoria. Esto ocurre en xmlUnlinkNode en tree.c. NOTA: la posici\u00f3n del proveedor es \"No creo que estos problemas sean lo suficientemente cr\u00edticos como para justificar un ID CVE... porque un atacante normalmente no puede controlar cu\u00e1ndo fallan las asignaciones de memoria\"."}], "id": "CVE-2023-45322", "lastModified": "2025-11-03T21:16:01.673", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-10-06T22:15:11.660", "references": [{"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/10/06/5"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/344"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/583"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2023/10/06/5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/344"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://gitlab.gnome.org/GNOME/libxml2/-/issues/583"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/02/msg00028.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "libxml2: use-after-free in xmlUnlinkNode() in tree.c", "id": "2242945", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242945"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["libxml2 through 2.11.5 has a use-after-free that can only occur after a certain memory allocation fails. This occurs in xmlUnlinkNode in tree.c. NOTE: the vendor's position is \"I don't think these issues are critical enough to warrant a CVE ID ... because an attacker typically can't control when memory allocations fail.\"", "A flaw was found in libxml2. In an out-of-memory condition or when limiting the memory allocation, processing a XML document using the HTML parser may result in a use-after-free vulnerability."], "name": "CVE-2023-45322", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_core_services:1", "fix_state": "Fix deferred", "package_name": "libxml2", "product_name": "Red Hat JBoss Core Services"}], "public_date": "2023-08-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-45322\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-45322"], "statement": "The libxml2 project does not consider this issue to be a vulnerability because it can only be triggered in an out-of-memory condition or when the --maxmem command line option of the xmllint program is used to limit the number of memory allocation done by the parser. This is intended behavior and it's used to detect similar issues.\nRed Hat Product Security agrees with that decision. However, Red Hat will try to address this issue in affected products.", "threat_severity": "Low"}

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