CVE-2022-24775

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.

• CWE-20

• https://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1Patch, Third Party Advisory
• https://github.com/guzzle/psr7/pull/486/commits/9a96d9db668b485361ed9de7b5bf1e54895df1dcPatch, Third Party Advisory
• https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96Third Party Advisory
• https://www.drupal.org/sa-core-2022-006Patch, Third Party Advisory
• https://github.com/guzzle/psr7/pull/485/commits/e55afaa3fc138c89adf3b55a8ba20dc60d17f1f1Patch, Third Party Advisory
• https://github.com/guzzle/psr7/pull/486/commits/9a96d9db668b485361ed9de7b5bf1e54895df1dcPatch, Third Party Advisory
• https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96Third Party Advisory
• https://www.drupal.org/sa-core-2022-006Patch, Third Party Advisory

Published

Mar 21, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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