CVE-2024-10549 Details
Description
A vulnerability in the `/3/Parse` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint uses a user-specified string to construct a regular expression, which is then applied to another user-specified string. By sending multiple simultaneous requests, an attacker can exhaust all available threads, leading to a complete denial of service.
A denial-of-service vulnerability has been identified in h2oai/h2o-3 version 3.46.0.1. The issue arises in the '/3/Parse' endpoint, where user-specified strings are used to create regular expressions applied to other user-specified strings. An attacker can exploit this by sending multiple simultaneous requests, exhausting available threads and causing a complete denial of service.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 20, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://huntr.com/bounties/ce7bd2d6-fd38-440d-a91a-dd8f3fc06bc2 | [email protected] | ExploitThird Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1333 | Inefficient Regular Expression Complexity | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| h2o h2o | 3.46.0.1 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Oct 15, 2025 | CVE Modified | [email protected] |
| Jul 14, 2025 | Initial Analysis | [email protected] |
| Mar 20, 2025 | New CVE Received | [email protected] |