{"id":"CVE-2026-28419","aliases":["ALPINE-CVE-2026-28419","AZL-78509","BELL-CVE-2026-28419","CLSA-2026-1774363216","DEBIAN-CVE-2026-28419","EUVD-2026-9087","GHSA-xcc8-r6c5-hvwv","MGASA-2026-0049","OESA-2026-1565","SUSE-SU-2026:0910-1","SUSE-SU-2026:1051-1","SUSE-SU-2026:1095-1","UBUNTU-CVE-2026-28419"],"status":"published","title":"Vim has Heap-based Buffer Underflow in Emacs tags parsing","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00196,"percentile":0.09306,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-124","CWE-125"],"published":"2026-02-27T22:02:55Z","modified":"2026-11-03T06:33:02Z","fixes":[{"ecosystem":"Alpine:v3.23","package":"vim","fixed_in":["9.2.0078-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"vim","fixed_in":["9.2.0078-r0"],"sources":["osv"]},{"ecosystem":"Azure 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Advisory","web","report"]},{"url":"https://security.alpinelinux.org/vuln/CVE-2026-28419","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28419","tags":["web","advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-28419","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1774363216.html","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28419.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-28419","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2026-0049.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=35167","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/6","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/7","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/8","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/9","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/10","tags":["web"]},{"url":"https://www.openwall.com/lists/oss-security/2026/02/27/11","tags":["web"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1565","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28417","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28418","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28420","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28421","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-28422","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260910-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1246602","tags":["report"]},{"url":"https://bugzilla.suse.com/1258229","tags":["report"]},{"url":"https://bugzilla.suse.com/1259051","tags":["report"]},{"url":"https://bugzilla.suse.com/1259052","tags":["report"]},{"url":"https://bugzilla.suse.com/1259053","tags":["report"]},{"url":"https://bugzilla.suse.com/1259054","tags":["report"]},{"url":"https://bugzilla.suse.com/1259055","tags":["report"]},{"url":"https://bugzilla.suse.com/1259056","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-53906","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-26269","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28417","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28418","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28419","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28420","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-28422","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261051-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20261095-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-28419","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-28419","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8101-1","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-28419","title":"Vim has Heap-based Buffer Underflow in Emacs tags parsing","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:02:55.952Z","modified":"2026-03-02T21:54:29.733Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-124","CWE-125"],"updated_at":"2026-11-02T14:20:02.290587Z"}],"euvd":[{"id":"EUVD-2026-9087","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:02:55Z","modified":"2026-03-02T21:54:29Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:48:12.247854Z"}],"nvd":[{"id":"CVE-2026-28419","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:16:25.163Z","modified":"2026-06-17T10:28:35.297Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-124","CWE-125"],"updated_at":"2026-11-02T14:12:07.420927Z"}],"osv":[{"id":"ALPINE-CVE-2026-28419","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:16:25.163Z","modified":"2026-11-03T06:33:02.112139124Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T07:15:53.944853Z"},{"id":"BELL-CVE-2026-28419","status":"published","published":"2026-03-02T18:34:08.82907Z","modified":"2026-03-06T07:15:07.709961Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:23.315185Z"},{"id":"CVE-2026-28419","title":"Vim has Heap-based Buffer Underflow in Emacs tags parsing","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:02:55.952Z","modified":"2026-10-28T10:51:29.480634033Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-124","CWE-125"],"updated_at":"2026-11-02T15:45:00.180685Z"},{"id":"DEBIAN-CVE-2026-28419","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:16:25.163Z","modified":"2026-11-01T19:00:40.912925415Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:53.877573Z"},{"id":"OESA-2026-1565","title":"vim security update","description":"Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor \u0026amp;apos;Vi\u0026amp;apos;, with a more complete feature set. Vim is a highly configurable text editor built to enable efficient text editing. It is an improved version of the vi editor distributed with most UNIX systems.\r\n\r\nSecurity Fix(es):\n\nVim is an open source, command line text editor. Prior to version 9.2.0073, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the scp:// protocol handler), an attacker can execute arbitrary shell commands with the privileges of the Vim process. Version 9.2.0073 fixes the issue.(CVE-2026-28417)\n\nVim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim\u0026apos;s Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the allocated memory boundary. Version 9.2.0074 fixes the issue.(CVE-2026-28418)\n\nVim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim\u0026apos;s Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.(CVE-2026-28419)\n\nVim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim\u0026apos;s terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the issue.(CVE-2026-28420)\n\nVim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim\u0026apos;s swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version 9.2.0077 fixes the issue.(CVE-2026-28421)\n\nVim is an open-source, command-line text editor. Prior to version 9.2.0078, a stack-buffer-overflow occurs in the `build_stl_str_hl()` function when rendering a statusline with a multi-byte fill character on a very wide terminal. This vulnerability may lead to application crash or potential security risks.(CVE-2026-28422)","status":"published","published":"2026-03-15T11:10:34Z","modified":"2026-08-18T01:19:36.927830174Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"UBUNTU-CVE-2026-28419","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:16:00Z","modified":"2026-05-20T16:24:55.176639983Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"},{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:08.726452Z"},{"id":"AZL-78509","title":"CVE-2026-28419 affecting package vim for versions less than 9.2.0088-1","description":"Vim is an open source, command line text editor. Prior to version 9.2.0075, a heap-based buffer underflow exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file where a delimiter appears at the start of a line, Vim attempts to read memory immediately preceding the allocated buffer. Version 9.2.0075 fixes the issue.","status":"published","published":"2026-02-27T22:16:25Z","modified":"2026-08-28T17:47:11.119540965Z","updated_at":"2026-11-02T15:28:10.017343Z"},{"id":"CLSA-2026-1774363216","title":"vim: Fix of 3 CVEs","description":"- CVE-2026-28420: fix heap-buffer-overflow in :terminal when processing\n  Unicode combining characters from supplementary planes\n- CVE-2026-28418: fix OOB read in Emacs tags parsing with overlong tag file\n- CVE-2026-28419: fix heap-buffer-underflow in Emacs tags parsing when\n  delimiter appears at start of line","status":"published","published":"2026-03-24T14:40:20Z","modified":"2026-10-21T10:47:27.753831791Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"MGASA-2026-0049","title":"Updated vim packages fix security vulnerabilities","description":"OS Command Injection in netrw affects Vim \u003c 9.2.0073. (CVE-2026-28417)\nHeap-based Buffer Overflow in Emacs tags parsing affects Vim \u003c 9.2.0074.\n(CVE-2026-28418)\nHeap-based Buffer Underflow in Emacs tags parsing affects Vim \u003c\n9.2.0075. (CVE-2026-28419)\nHeap-based Buffer Overflow and OOB Read in :terminal affects Vim \u003c\n9.2.0076. (CVE-2026-28420)\nMultiple Vulnerabilities in Swap File Recovery affect Vim \u003c 9.2.0077.\n(CVE-2026-28421)\nStack-buffer-overflow in build_stl_str_hl() affects Vim \u003c 9.2.0078.\n(CVE-2026-28422)\n","status":"published","published":"2026-03-06T03:01:36Z","modified":"2026-04-16T04:42:00.528696647Z","updated_at":"2026-11-02T15:49:43.178336Z"},{"id":"SUSE-SU-2026:0910-1","title":"Security update for vim","description":"This update for vim fixes the following issues:\n\nUpdate Vim to version 9.2.0110:\n\n- CVE-2025-53906: Fixed that malicious zip archive may cause a path traversal in Vim's zip (bsc#1246602).\n- CVE-2026-26269: Fixed Netbeans specialKeys stack buffer overflow (bsc#1258229).\n- CVE-2026-28417: Fixed that a crafted URL parsed by netrw plugin can lead to execute arbitrary shell commands (bsc#1259051).\n- CVE-2026-28418: Fixed that a malformed tags file can cause an heap-based buffer overflow out-of-bounds read (bsc#1259052)\n- CVE-2026-28419: Fixed processing a malformed tags file containing a delimiter can lead to a crash (bsc#1259053)\n- CVE-2026-28420: Fixed that processing maximum combining characters in terminal emulator can lead to heap-based buffer overflow write (bsc#1259054)\n- CVE-2026-28421: Fixed that a crafted swap file can cause a heap-buffer-overflow and a segmentation fault\n- CVE-2026-28422: Fixed that a malicious modeline or plugin can trigger a stack-buffer-overflow (bsc#1259056)\n","status":"published","published":"2026-04-07T14:35:08Z","modified":"2026-04-08T08:02:25.639856944Z","updated_at":"2026-11-02T15:54:01.262144Z"},{"id":"SUSE-SU-2026:1051-1","title":"Security update for vim","description":"This update for vim fixes the following issues:\n\nUpdate Vim to version 9.2.0110:\n\n- CVE-2025-53906: malicious zip archive may cause a path traversal in Vim's zip (bsc#1246602).\n- CVE-2026-26269: Netbeans specialKeys stack buffer overflow (bsc#1258229).\n- CVE-2026-28417: Fixed that a crafted URL parsed by netrw plugin can lead to execute arbitrary shell commands (bsc#1259051).\n- CVE-2026-28418: Fixed that a malformed tags file can cause an heap-based buffer overflow out-of-bounds read (bsc#1259052)\n- CVE-2026-28419: Fixed processing a malformed tags file containing a delimiter can lead to a crash (bsc#1259053)\n- CVE-2026-28420: Fixed that processing maximum combining characters in terminal emulator can lead to heap-based buffer overflow write (bsc#1259054)\n- CVE-2026-28421: Fixed that a crafted swap file can cause a heap-buffer-overflow and a segmentation fault\n- CVE-2026-28422: Fixed that a malicious modeline or plugin can trigger a stack-buffer-overflow (bsc#1259056)\n","status":"published","published":"2026-04-08T11:40:57Z","modified":"2026-04-09T08:16:25.517684132Z","updated_at":"2026-11-02T15:54:01.262144Z"},{"id":"SUSE-SU-2026:1095-1","title":"Security update for vim","description":"This update for vim fixes the following issues:\n\nUpdate Vim to version 9.2.0110:\n\n- CVE-2025-53906: Fixed that malicious zip archive may cause a path traversal in Vim's zip (bsc#1246602).\n- CVE-2026-26269: Fixed Netbeans specialKeys stack buffer overflow (bsc#1258229).\n- CVE-2026-28417: Fixed crafted URL parsed by netrw plugin can lead to execute arbitrary shell commands (bsc#1259051).\n- CVE-2026-28418: Fixed that a malformed tags file can cause an heap-based buffer overflow out-of-bounds read (bsc#1259052)\n- CVE-2026-28419: Fixed processing a malformed tags file containing a delimiter can lead to a crash (bsc#1259053)\n- CVE-2026-28420: Fixed that processing maximum combining characters in terminal emulator can lead to heap-based buffer overflow write (bsc#1259054)\n- CVE-2026-28421: Fixed that a crafted swap file can cause a heap-buffer-overflow and a segmentation fault\n- CVE-2026-28422: Fixed that a malicious modeline or plugin can trigger a stack-buffer-overflow (bsc#1259056)\n","status":"published","published":"2026-04-07T14:35:54Z","modified":"2026-04-08T08:02:25.044273923Z","updated_at":"2026-11-02T15:54:01.262144Z"}]}}