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CVE-2023-29197

Reference to the description:

https://nvd.nist.gov/vuln/detail/CVE-2023-29197

Description:
guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP. Affected versions are subject to improper header parsing. An attacker could sneak in a newline (\n) into both the header names and values. While the specification states that \r\n\r\n is used to terminate the header list, many servers in the wild will also accept \n\n. This is a follow-up to CVE-2022-24775 where the fix was incomplete. The issue has been patched in versions 1.9.1 and 2.4.5. There are no known workarounds for this vulnerability. Users are advised to upgrade.
Last updated date:
05/03/2023

Reports

alt

ACTIVELY EXPLOITED

Type:
exploitation
Confidence:
HIGH
Date of publishing:
04/17/2023
Reference url to background

https://nvd.nist.gov/vuln/detail/CVE-2023-29197

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