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Tue, 05 May 2026 20:15:00 +0000
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ssvc
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Tue, 05 May 2026 19:00:00 +0000
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| Description | ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a single character. An attacker can exploit this to crash worker processes, causing a denial of service. Service resumes once the attack stops as worker processes recover from the segfault. All versions before 3.0.15 of libModSecurity3 are affected. This has been patched in version 3.0.15. | |
| Title | libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings | |
| Weaknesses | CWE-125 | |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-05T19:21:08.898Z
Reserved: 2026-03-07T16:40:05.884Z
Link: CVE-2026-30923
Updated: 2026-05-05T19:20:39.690Z
Status : Undergoing Analysis
Published: 2026-05-05T19:16:21.567
Modified: 2026-05-05T20:16:56.060
Link: CVE-2026-30923
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OpenCVE Enrichment
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