CVE-2026-2641
ctags: ctags: Denial of Service due to uncontrolled recursion
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 18, 2026
Updated · July 8, 2026
Description
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.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')