CVE-2026-73074

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{"bugzilla": {"description": "vim: Vim: Heap buffer overflow via integer wraparound in text property handling", "id": "2514035", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2514035"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["Vim is an open source, command line text editor. Prior to 9.2.0841, prop_add_one() in src/textprop.c uses the proplen value from get_text_props() to increment a uint16_t property count beyond 0xffff, wrapping the count to zero and copying existing text-property records into a heap allocation sized for none of them. This issue is fixed in version 9.2.0841.", "A flaw was found in Vim, an open-source command-line text editor. An integer overflow vulnerability exists in the `prop_add_one()` function when handling text properties. By adding a large number of text properties to a single line, a 16-bit counter can wrap around to zero, leading to an undersized heap allocation. This allows existing text property records to be written out-of-bounds, which can result in a crash or potentially lead to further exploitation such as arbitrary code execution."], "name": "CVE-2026-73074", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Under investigation", "package_name": "vim", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Under investigation", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-11T15:35:07Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-73074\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-73074\nhttps://github.com/vim/vim/commit/a9336b476fd1a182e3f79b5f83c0ffb04f8a922b\nhttps://github.com/vim/vim/security/advisories/GHSA-hm4g-pjfx-m27j"], "threat_severity": "Moderate"}

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