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.
Scores
CVSS v4
2.3
EPSS
0.0030
EPSS Percentile
53.3%
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-772
Status
published
Products (2)
hackney/hackney
< 1.24.0
Hex/hackney
0 - 1.24.0Hex
Published
May 28, 2025
Tracked Since
Feb 18, 2026