CVE-2026-11478 (GCVE-0-2026-11478)
Vulnerability from cvelistv5 – Published: 2026-06-08 02:00 – Updated: 2026-06-08 10:59
VLAI
EPSS
VEX
Title
kokke tiny-regex-c Pattern re.c matchstar redos
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/369098 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/369098/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-11478 | third-party-advisory |
| https://vuldb.com/submit/833966 | third-party-advisory |
| https://github.com/kokke/tiny-regex-c/issues/100 | issue-tracking |
| https://github.com/user-attachments/files/2804621… | exploit |
| https://github.com/kokke/tiny-regex-c/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| kokke | tiny-regex-c |
Affected:
f2632c6d9ed25272987471cdb8b70395c2460bdb
cpe:2.3:a:kokke:tiny-regex-c:*:*:*:*:*:*:*:* |
Credits
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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