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{"bugzilla": {"description": "pkgconf: unbounded string expansion due to incorrect checks may result in buffer overflow", "id": "2165034", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2165034"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-119", "details": ["In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.", "A flaw was found in pkgconf, where a variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. This issue may lead to a buffer overflow, which can crash the software."], "name": "CVE-2023-24056", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "pkgconf", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "pkgconf", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2023-01-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-24056\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-24056\nhttps://nullprogram.com/blog/2023/01/18/"], "statement": "pkgconf is a program which helps to configure compiler and linker flags for development libraries,  & this security flaw can only crash while compiling/building a package in a development environment, hence that provides a very minimal Impact. Also Red Hat Enterprise Linux 8 and 9 provide the stack protector in gcc, FORTIFY_SOURCE in glibc to protect against heap based overflows.\n- https://access.redhat.com/solutions/769783", "threat_severity": "Low"}