CVE-2022-24775

Improper Input Validation in guzzlehttp/psr7

HIGH
7.5
CVSS Score
Published: March 21, 2022 at 07:00 PM UTC
Updated: June 17, 2026 at 04:32 AM UTC
3 products affected across 3 vendorsDrupalPsr 7PSR7

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Severity
HIGH7.5
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

guzzlehttp/psr7 is a PSR-7 HTTP message library. Versions prior to 1.8.4 and 2.1.1 are vulnerable to improper header parsing. An attacker could sneak in a new line character and pass untrusted values. The issue is patched in 1.8.4 and 2.1.1. There are currently no known workarounds.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

8.0.0 ≤ v < 9.2.169.3.0 ≤ v < 9.3.9
Affected range stops below 9.2.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.3.9, so it looks safe — our inference, not a vendor statement
v < 1.8.42.0.0 ≤ v < 2.1.1
Affected range stops below 1.8.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.1, so it looks safe — our inference, not a vendor statement
60%
v < 1.8.4v < 2.1.1
Affected range stops below 1.8.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.1, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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