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{"bugzilla": {"description": "lua: heap-based buffer over-read", "id": "2185579", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2185579"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-126", "details": ["In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.", "A heap-based buffer overflow issue was found in Lua Interpreter. The vulnerability can be exploited when an erroneous finalizer calls during a tail call with an invalid stack, triggering an out-of-bounds read, leading to a crash or a denial of service."], "name": "CVE-2021-45985", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libreoffice:flatpak/lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "lua", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-04-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-45985\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-45985\nhttp://lua-users.org/lists/lua-l/2021-12/msg00019.html\nhttps://www.lua.org/bugs.html#5.4.3-11"], "statement": "The bug exists in Lua Interpreter since v5.4.3 and fixed in v5.4.4.\nRHEL-6, 7, 8 ships Lua-v5.3.4 and prior versions, which does not contains the vulnerable function. And RHEL-9 already ships Lua-v5.4.4 and above, which contains the fix. Hence, none of the Lua versions shipped with Red Hat Enterprise Linux are affected.", "threat_severity": "Moderate"}

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