CVE-2025-3864

Low

Description

Hackney fails to properly release HTTP connections to the pool after handling 307 Temporary Redirect responses. Remote attackers can exploit this to exhaust connection pools, causing denial of service in applications using the library. Fix for this issue has been included in 1.24.0 release.

SeverityLow
CVSS2.3
Exploit probability—
ProductHackney
PublishedMay 28, 2025
First seenMay 28, 2025
Weakness typeCWE-772CWE-772

How to fix

Affected products

ProductAffected versionsFixed in
hackney hackneyv < 1.24.01.24.0

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