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CVE-2023-22465

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CVE-2023-22465

Published: Jan 4, 2023

Modified: Mar 10, 2025

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

Http4s is a Scala interface for HTTP services. Starting with version 0.1.0 and prior to versions 0.21.34, 0.22.15, 0.23.17, and 1.0.0-M38, the `User-Agent` and `Server` header parsers are susceptible to a fatal error on certain inputs. In http4s, modeled headers are lazily parsed, so this only applies to services that explicitly request these typed headers. Fixes are released in 0.21.34, 0.22.15, 0.23.17, and 1.0.0-M38. As a workaround, use the weakly typed header interface.

VendorProductVersions

http4s

http4s

affected
>= 0.1.0, < 0.21.34
affected
>= 0.22.0, < 0.22.15
affected
>= 0.23.0, < 0.23.17
affected
>= 1.0.0-M1, < 1.0.0-M38

Weaknesses (CWE)

CWE-20

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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