TI-2022-11014 Aliases CVE-2022-28229 GHSA-8mr2-8r3v-fj69

Uncontrolled resource consumption in userver

MEDIUM 40CWE-400Published 2022-12-23 · Updated 2025-04-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-400.

Summary

The hash functionality in userver before 42059b6319661583b3080cab9b595d4f8ac48128 allows attackers to cause a denial of service via crafted HTTP request, involving collisions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00788 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	userver	All versions prior to version 42059b6319661583b3080cab9b595d4f8ac48128	—	No fix listed	CNA

userver Vendor— Affected All versions prior to version 42059b6319661583b3080cab9b595d4f8ac48128 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:userver:userver::::::::	before 2022-11-18	Vulnerable	Userver

cpe:2.3:a:userver:userver:*:*:*:*:*:*:*:* Versions before 2022-11-18 Vulnerable ·Userver

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2022-28229
2026-10-03 Alias added: GHSA-8mr2-8r3v-fj69

References

Advisory 1

https://userver.tech/df/d3a/md_en_userver_security_changelog.html

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences