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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: node-minimatch: CVE-2026-26996
Message-ID: <177168140388.1624604.2938203986091684699.reportbug@eldamar.lan>
X-Mailer: reportbug 13.2.0
Date: Sat, 21 Feb 2026 14:43:23 +0100
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Source: node-minimatch
Version: 9.0.3-6
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for node-minimatch.

CVE-2026-26996[0]:
| minimatch is a minimal matching utility for converting glob
| expressions into JavaScript RegExp objects. Versions 10.2.0 and
| below are vulnerable to Regular Expression Denial of Service (ReDoS)
| when a glob pattern contains many consecutive * wildcards followed
| by a literal character that doesn't appear in the test string. Each
| * compiles to a separate [^/]*? regex group, and when the match
| fails, V8's regex engine backtracks exponentially across all
| possible splits. The time complexity is O(4^N) where N is the number
| of * characters. With N=15, a single minimatch() call takes ~2
| seconds. With N=34, it hangs effectively forever. Any application
| that passes user-controlled strings to minimatch() as the pattern
| argument is vulnerable to DoS. This issue has been fixed in version
| 10.2.1.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-26996
    https://www.cve.org/CVERecord?id=CVE-2026-26996
[1] https://github.com/isaacs/minimatch/security/advisories/GHSA-3ppc-4f35-3m26
[2] https://github.com/isaacs/minimatch/commit/2e111f3a79abc00fa73110195de2c0f2351904f5

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
]