{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-2641", "tracking": { "current_release_date": "2026-03-23T01:32:31.817439Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-2641", "initial_release_date": "2026-02-18T06:25:11.021446Z", "revision_history": [ { "date": "2026-02-18T06:25:11.021446Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-02-18T06:25:13.275671Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-02-18T06:39:24.761158Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (2).| Exploits created (1).| References created (5).| CWES updated (1)." }, { "date": "2026-02-18T06:39:28.505979Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-02-18T12:46:36.625423Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Products created (2)." }, { "date": "2026-02-18T12:46:48.956945Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-02-18T15:04:09.726100Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-02-18T15:04:14.275262Z", "number": "8", "summary": "NCSC Score updated." }, { "date": "2026-02-18T21:39:07.182743Z", "number": "9", "summary": "Unknown change." }, { "date": "2026-02-18T21:39:12.894088Z", "number": "10", "summary": "NCSC Score updated." }, { "date": "2026-02-19T00:28:22.859102Z", "number": "11", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products connected (3).| Product Identifiers created (3).| Products created (3).| References created (8).| CWES updated (1).| Vendor_assessment created." }, { "date": "2026-02-19T00:28:29.292487Z", "number": "12", "summary": "NCSC Score updated." }, { "date": "2026-02-19T06:43:50.896439Z", "number": "13", "summary": "Description created for source." }, { "date": "2026-03-20T09:43:47.873380Z", "number": "14", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-20T09:43:51.163597Z", "number": "15", "summary": "NCSC Score updated." }, { "date": "2026-03-20T13:31:35.216338Z", "number": "16", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (6).| CWES updated (1)." }, { "date": "2026-03-20T13:31:37.236788Z", "number": "17", "summary": "NCSC Score updated." } ], "status": "interim", "version": "17" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/6", "product": { "name": "vers:rpm/6", "product_id": "CSAFPID-1439321", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:6" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/7", "product": { "name": "vers:rpm/7", "product_id": "CSAFPID-1439315", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "category": "product_version_range", "name": "vers:rpm/8", "product": { "name": "vers:rpm/8", "product_id": "CSAFPID-1439317", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8" } } } ], "category": "product_name", "name": "Red Hat Enterprise Linux 8" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5630994" } } ], "category": "product_name", "name": "ctags" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 6" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5630995" } } ], "category": "product_name", "name": "ctags" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 7" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:rpm/unknown", "product": { "name": "vers:rpm/unknown", "product_id": "CSAFPID-5630996" } } ], "category": "product_name", "name": "ctags" } ], "category": "product_family", "name": "Red Hat Enterprise Linux 8" } ], "category": "vendor", "name": "Red Hat" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/6.2.0", "product": { "name": "vers:unknown/6.2.0", "product_id": "CSAFPID-5627481" } }, { "category": "product_version_range", "name": "vers:unknown/6.2.1", "product": { "name": "vers:unknown/6.2.1", "product_id": "CSAFPID-5627482" } } ], "category": "product_name", "name": "ctags" } ], "category": "vendor", "name": "universal-ctags" }, { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5628920" } } ], "category": "product_name", "name": "universal-ctags" } ], "category": "product_family", "name": "bookworm" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:deb/unknown", "product": { "name": "vers:deb/unknown", "product_id": "CSAFPID-5628921" } } ], "category": "product_name", "name": "universal-ctags" } ], "category": "product_family", "name": "bullseye" } ], "category": "vendor", "name": "Debian" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-2641", "cwe": { "id": "CWE-404", "name": "Improper Resource Shutdown or Release" }, "notes": [ { "category": "description", "text": "A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-2641" }, { "category": "description", "text": "A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-2641" }, { "category": "description", "text": "A flaw was found in ctags. A local attacker with low privileges can exploit a weakness in the V Language Parser component by executing a specially crafted input that triggers uncontrolled recursion within the `parseExpression/parseExprList` functions. This vulnerability can lead to a Denial of Service (DoS), making the application unresponsive or unavailable.", "title": "redhat - https://access.redhat.com/security/cve/CVE-2026-2641" }, { "category": "description", "text": "A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.", "title": "debian - https://security-tracker.debian.org/tracker/CVE-2026-2641" }, { "category": "description", "text": "A weakness has been identified in universal-ctags ctags up to 6.2.1. The affected element is the function parseExpression/parseExprList of the file parsers/v.c of the component V Language Parser. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2641" }, { "category": "other", "text": "0.00014", "title": "EPSS" }, { "category": "other", "text": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "title": "CVSSV4" }, { "category": "other", "text": "1.9", "title": "CVSSV4 base score" }, { "category": "other", "text": "3.3", "title": "NCSC Score" }, { "category": "other", "text": "Exploit code publicly available, The value of the most recent CVSS (V3) score, There is exploit data available from source Cveprojectv5, There is cwe data available from source Nvd", "title": "NCSC Score top decreasing factors" }, { "category": "details", "text": "Severity: 1\n", "title": "Vendor assessment" } ], "product_status": { "known_affected": [ "CSAFPID-5627481", "CSAFPID-5627482", "CSAFPID-5628920", "CSAFPID-5628921" ], "known_not_affected": [ "CSAFPID-1439315", "CSAFPID-1439317", "CSAFPID-1439321", "CSAFPID-5630994", "CSAFPID-5630995", "CSAFPID-5630996" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2641" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2641" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2641" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/2xxx/CVE-2026-2641.json" }, { "category": "external", "summary": "Source - debian", "url": "https://security-tracker.debian.org/tracker/CVE-2026-2641" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2641" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - redhat", "url": "https://access.redhat.com/security/cve/CVE-2026-2641" }, { "category": "external", "summary": "Source raw - redhat", "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2641.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-2641" }, { "category": "external", "summary": "Reference - nvd; redhat", "url": "https://github.com/oneafter/0116/blob/main/poc.v" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/universal-ctags/ctags/" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://github.com/universal-ctags/ctags/issues/4369" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://vuldb.com/?ctiid.346397" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://vuldb.com/?id.346397" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd; redhat", "url": "https://vuldb.com/?submit.752768" }, { "category": "external", "summary": "Reference - redhat", "url": "https://www.cve.org/CVERecord?id=CVE-2026-2641" }, { "category": "external", "summary": "Reference - redhat", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2641" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseScore": 3.3, "baseSeverity": "LOW" }, "products": [ "CSAFPID-5627481", "CSAFPID-5627482", "CSAFPID-5628920", "CSAFPID-5628921" ] } ], "title": "CVE-2026-2641" } ] }