Svelte is a performance oriented web framework. From version 5.51.5 to before version 5.55.7, an internal regex in the Svelte runtime can take exponential time to test in <svelte:element this={tag}></svelte:element>. This issue has been patched in version 5.55.7.
Metrics
Affected Vendors & Products
References
History
Tue, 09 Jun 2026 18:30:00 +0000
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ssvc
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Tue, 09 Jun 2026 17:15:00 +0000
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| Description | Svelte is a performance oriented web framework. From version 5.51.5 to before version 5.55.7, an internal regex in the Svelte runtime can take exponential time to test in <svelte:element this={tag}></svelte:element>. This issue has been patched in version 5.55.7. | |
| Title | Svelte: ReDoS in `<svelte:element>` Tag Validation | |
| Weaknesses | CWE-1333 | |
| References |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-06-09T18:09:26.356Z
Reserved: 2026-04-28T17:26:12.084Z
Link: CVE-2026-42567
Updated: 2026-06-09T18:09:12.952Z
Status : Undergoing Analysis
Published: 2026-06-09T17:17:07.100
Modified: 2026-06-09T19:32:29.743
Link: CVE-2026-42567
No data.
OpenCVE Enrichment
Updated: 2026-06-09T18:30:11Z