CVE-2026-116732

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{"bugzilla": {"description": "libdwarf: libdwarf: Denial of Service via out-of-bounds read in dwarf_debug_addr_table", "id": "2561463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2561463"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in libdwarf. When parsing debug address tables, the library fails to properly account for starting offsets when verifying section length boundaries. An attacker could exploit this vulnerability by tricking a user or automated system into parsing a specially crafted object file, causing an out-of-bounds read past the allocated buffer. This flaw could lead to a Denial of Service (DoS) via an application crash or the unauthorized disclosure of adjacent memory contents."], "name": "CVE-2026-116732", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libdwarf", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libdwarf", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2026-10-26T21:52:33Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116732\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116732\nhttps://github.com/davea42/libdwarf-code\nhttps://github.com/davea42/libdwarf-code/blob/v2.3.3/src/lib/libdwarf/dwarf_debugaddr.c#L175-L216\nhttps://github.com/davea42/libdwarf-code/commit/71f04013ddc2a3c88b9e25a4162ee2824741b593\nhttps://github.com/davea42/libdwarf-code/issues/336\nhttps://hackmd.io/@haindpwn/libdwarf-debug-addr-table-section-offset-oob-read\nhttps://www.vulncheck.com/advisories/libdwarf-through-2.3.3-heap-out-of-bounds-read-via-dwarf-debug-addr-table"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2.3.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "libdwarf", "source": "cna", "vendor": "davea42"}, "product": "libdwarf", "vendor": "libdwarf_project"}], "created": "2026-10-27T07:30:15.516729+00:00", "updated": "2026-10-27T09:15:18.343697+00:00", "vendors": ["libdwarf_project", "libdwarf_project$PRODUCT$libdwarf"]}