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Vulnerabilities CVE-2026-67183

CVE-2026-67183

High
Open
TLP:CLEAR

TinyWeb 0.0.8 Memory Leak DoS via HTTP Request Handling

AI Analysis

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Description

TinyWeb through 0.0.8 contains a memory leak vulnerability that allows unauthenticated attackers to exhaust available memory by sending ordinary well-formed HTTP requests. Each request causes HttpParser::execute() to allocate Url objects, HttpHeaders objects, and HttpHeader instances via raw new expressions that are never freed due to missing destructors and unreachable delete calls, causing worker resident memory to grow monotonically by approximately 20 to 28 kB per request until the worker process is killed.

Details

CVSS Score
8.7
EPSS Score
0.37%

29.9th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Jul 28, 2026
Last Modified
Jul 28, 2026
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