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Description

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.

PUBLISHED Reserved 2026-06-07 | Published 2026-06-08 | Updated 2026-06-08 | Assigner VulDB




MEDIUM: 4.8CVSS: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
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Inefficient Regular Expression Complexity

Resource Consumption

Product status

f2632c6d9ed25272987471cdb8b70395c2460bdb
affected

Timeline

2026-06-07:Advisory disclosed
2026-06-07:VulDB entry created
2026-06-07:VulDB entry last update

Credits

Fantasy (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/369098 (VDB-369098 | kokke tiny-regex-c Pattern re.c matchstar redos) vdb-entry technical-description

vuldb.com/vuln/369098/cti (VDB-369098 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11478 (CVE-2026-11478 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/833966 (Submit #833966 | tiny-regex-c 0.1.0 Regular Expression Denial of Service) third-party-advisory

github.com/kokke/tiny-regex-c/issues/100 issue-tracking

github.com/...ents/files/28046213/tiny-regex-c-redos-poc.zip exploit

github.com/kokke/tiny-regex-c/ product

cve.org (CVE-2026-11478)

nvd.nist.gov (CVE-2026-11478)

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