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Vulnerabilities

CVE-2023-29197 Detail

Modified After Enrichment

This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

👁 NIST CVSS score

NIST: NVD

NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-24775	CVE, GitHub, Inc.	Not Applicable
https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96	CVE, GitHub, Inc.	Not Applicable
https://github.com/guzzle/psr7/security/advisories/GHSA-wxmh-65f7-jcvw	CVE, GitHub, Inc.	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00028.html	CVE, GitHub, Inc.
https://lists.fedoraproject.org/archives/list/[email protected]/message/FJANWDXJZE5BGLN4MQ4FEHV5LJ6CMKQF/	CVE, GitHub, Inc.	Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/O35UN4IK6VS2LXSRWUDFWY7NI73RKY2U/	CVE, GitHub, Inc.	Mailing List Third Party Advisory
https://www.rfc-editor.org/rfc/rfc7230#section-3.2.4	CVE, GitHub, Inc.	Technical Description

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-436	Interpretation Conflict	GitHub, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Initial Analysis by NIST 5/03/2023 2:12:55 PM

Action	Type	Old Value	New Value
Added	CVSS V3.1	NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Added	CPE Configuration	OR cpe:2.3:a:guzzlephp:psr-7::::::::* versions up to (excluding) 1.9.1 cpe:2.3:a:guzzlephp:psr-7::::::::* versions from (including) 2.0.0 up to (excluding) 2.4.5
Added	CPE Configuration	OR cpe:2.3:o:fedoraproject:fedora:37::::::: cpe:2.3:o:fedoraproject:fedora:38:::::::
Changed	Reference Type	https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-24775 No Types Assigned	https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-24775 Not Applicable
Changed	Reference Type	https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96 No Types Assigned	https://github.com/guzzle/psr7/security/advisories/GHSA-q7rv-6hp3-vh96 Not Applicable
Changed	Reference Type	https://github.com/guzzle/psr7/security/advisories/GHSA-wxmh-65f7-jcvw No Types Assigned	https://github.com/guzzle/psr7/security/advisories/GHSA-wxmh-65f7-jcvw Vendor Advisory
Changed	Reference Type	https://lists.fedoraproject.org/archives/list/[email protected]/message/FJANWDXJZE5BGLN4MQ4FEHV5LJ6CMKQF/ No Types Assigned	https://lists.fedoraproject.org/archives/list/[email protected]/message/FJANWDXJZE5BGLN4MQ4FEHV5LJ6CMKQF/ Mailing List, Third Party Advisory
Changed	Reference Type	https://lists.fedoraproject.org/archives/list/[email protected]/message/O35UN4IK6VS2LXSRWUDFWY7NI73RKY2U/ No Types Assigned	https://lists.fedoraproject.org/archives/list/[email protected]/message/O35UN4IK6VS2LXSRWUDFWY7NI73RKY2U/ Mailing List, Third Party Advisory
Changed	Reference Type	https://www.rfc-editor.org/rfc/rfc7230#section-3.2.4 No Types Assigned	https://www.rfc-editor.org/rfc/rfc7230#section-3.2.4 Technical Description

Quick Info

CVE Dictionary Entry:
CVE-2023-29197
NVD Published Date:
04/17/2023
NVD Last Modified:
06/17/2026
Source:
GitHub, Inc.

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

⇱ NVD - CVE-2023-29197

CVE-2023-29197 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

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Change History

CVE Modified by GitHub, Inc. 6/17/2026 1:49:35 AM

CVE Modified by CVE 11/21/2024 2:56:41 AM

CVE Modified by GitHub, Inc. 5/14/2024 8:53:12 AM

CVE Modified by GitHub, Inc. 12/31/2023 8:15:20 PM

Initial Analysis by NIST 5/03/2023 2:12:55 PM

CVE Modified by GitHub, Inc. 4/29/2023 1:15:46 AM

CVE Modified by GitHub, Inc. 4/28/2023 12:15:38 AM

Quick Info