CVE-2022-40304

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Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en libxml2 antes de la versi\u00f3n 2.10.3. Ciertas definiciones de entidades XML no v\u00e1lidas pueden da\u00f1ar la clave de una tabla hash, lo que podr\u00eda provocar errores l\u00f3gicos posteriores. 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{"affected_release": [{"advisory": "RHSA-2023:0173", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "libxml2-0:2.9.7-15.el8_7.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-01-16T00:00:00Z"}, {"advisory": "RHSA-2023:0173", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "libxml2-0:2.9.7-15.el8_7.1", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-01-16T00:00:00Z"}, {"advisory": "RHSA-2024:0413", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "libxml2-0:2.9.7-13.el8_6.4", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-01-25T00:00:00Z"}, {"advisory": "RHSA-2023:0338", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "libxml2-0:2.9.13-3.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}, {"advisory": "RHSA-2023:0338", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "libxml2-0:2.9.13-3.el9_1", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-01-23T00:00:00Z"}, {"advisory": "RHSA-2022:8841", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "libxml2", "product_name": "Text-Only JBCS", "release_date": "2022-12-08T00:00:00Z"}], "bugzilla": {"description": "libxml2: dict corruption caused by entity reference cycles", "id": "2136288", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2136288"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-415", "details": ["An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.", "A flaw was found in libxml2. When a reference cycle is detected in the XML entity cleanup function the XML entity data can be stored in a dictionary. In this case, the dictionary becomes corrupted resulting in logic errors, including memory errors like double free."], "name": "CVE-2022-40304", "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": "Out of support scope", "package_name": "libxml2", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2022-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-40304\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-40304"], "statement": "The most likely impact of this flaw is a Denial of Service in the application linked to the library. To reflect this, Red Hat Product Security has rated this flaw as having a moderate security impact.", "threat_severity": "Moderate"}

{}