CVE-2024-21631 is an integer overflow vulnerability in Vapor's vapor_urlparser_parse function, affecting applications that use Vapor's URI type for validating user input. Specifically, the use of uint16_t indexes can lead to overflows when parsing abnormally long URLs, potentially allowing an attacker to spoof the host by manipulating the port number. This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity that can lead to high integrity impact without requiring user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.90.0CPE matchmatch criteria | cpe:2.3:a:vapor:vapor:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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