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CVE-2026-11478

kokke tiny-regex-c Pattern re.c matchstar redos

CVSS 4.8 MEDIUMEPSS 0.1%CWE-1333CWE-400
Vexday Risk Score
33Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 4.8EPSS 0.1%KEV nãoPoC públicaNuclei Metasploit Patch
Lifecycle
08 Jun 2026Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
A flaw has been found in kokke tiny-regex-c up to f2632c6d9ed25272987471cdb8b70395c2460bdb. This vulnerability affects the function matchstar of the file re.c of the component Pattern Handler. This manipulation causes inefficient regular expression complexity. The attack is restricted to local execution. The exploit has been published and may be used. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
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
Affected products
kokke · tiny-regex-c
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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