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{"affected_release": [{"advisory": "RHSA-2022:1069", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "expat-0:2.1.0-14.el7_9", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2022-03-28T00:00:00Z"}, {"advisory": "RHSA-2022:0951", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "expat-0:2.2.5-4.el8_5.3", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-03-16T00:00:00Z"}, {"advisory": "RHSA-2022:7144", "cpe": "cpe:/a:redhat:jboss_core_services:1", "package": "expat", "product_name": "Text-Only JBCS", "release_date": "2022-10-26T00:00:00Z"}], "bugzilla": {"description": "expat: Large number of prefixed XML attributes on a single tag can crash libexpat", "id": "2044451", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2044451"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-682->CWE-130", "details": ["In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).", "expat (libexpat) is susceptible to a software flaw that causes process interruption. When processing a large number of prefixed XML attributes on a single tag can libexpat can terminate unexpectedly due to buffer overrun. The highest threat from this vulnerability is to availability."], "name": "CVE-2021-45960", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "expat", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xulrunner", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "xulrunner", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "xmlrpc-c", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "expat", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "firefox", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "thunderbird", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "xmlrpc-c", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2022-01-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-45960\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-45960\nhttps://github.com/libexpat/libexpat/issues/531"], "threat_severity": "Moderate"}