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{"bugzilla": {"description": "libdwarf: heap buffer over-read in dwarf_global_formref_b() in dwarf_form.c", "id": "2102019", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2102019"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H", "status": "draft"}, "cwe": "CWE-126", "details": ["There is a heap-based buffer over-read in libdwarf 0.4.0. This issue is related to dwarf_global_formref_b.", "A buffer-overflow vulnerability was found in libdwarf's dwarf_global_formref_b() function in dwarf_form.c. A carefully crafted `.debug_info` causes libdwarf to read outside a buffer containing a Dwarf_Sig8 symbolic reference. This issue can cause a segmentation violation or other major error, terminating the calling application and resulting in a denial of service."], "name": "CVE-2022-34299", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "libdwarf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "libdwarf", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2022-06-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-34299\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-34299"], "statement": "The bug has been present since DWARF4 when DW_FORM_ref_sig8 was added to libdwarf. But, in our code-base, we cannot handle this functionality yet. There is no presence of vulnerable code in our code-base. Hence, versions of libdwarf shipped with Red Hat Enterprise Linux 7 & 8 are not affected by this flaw.", "threat_severity": "Moderate", "upstream_fix": "libdwarf 0.4.1"}