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01 Record

CVE-2023-29197

Improper header name validation in guzzlehttp/psr7

MediumPUBLISHEDCNA: GitHub_M
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

02 Description

Improper header name validation in guzzlehttp/psr7

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.21% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 68.5% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-04-17 21:08Z3 YR AGO
Last updated
2025-02-13 16:49Z1 YR AGO
Reserved
2023-04-03
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Medium (CVSS 5.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weaknesses
  • CWE-436Interpretation ConflictClass
Data version
5.1
Document digest
136c7d64351455c249dc85bdd5e52e2653a9d48fd89fdcc20b52629305acd8db

05 Affected products

VendorProductVersionsPlatforms
guzzlepsr7< 1.9.1, >= 2.0.0, < 2.4.5—

06 References

07 Fixed in

Debian 12

  • php-guzzlehttp-psr7
    Fixed in 2.4.5-1
  • php-nyholm-psr7
    Fixed in 1.5.1-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • php-guzzlehttp-psr7
    Fixed in 2.4.5-1
  • php-nyholm-psr7
    Fixed in 1.5.1-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • php-guzzlehttp-psr7
    Fixed in 2.4.5-1
  • php-nyholm-psr7
    Fixed in 1.5.1-2

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • php-guzzlehttp-psr7
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 20.04 LTS

  • php-guzzlehttp-psr7
    Fixed in 1.4.2-0.1+deb10u2build0.20.04.1
  • php-nyholm-psr7
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu Pro 22.04 LTS

  • php-guzzlehttp-psr7
    Fixed in 1.8.3-1ubuntu0.1~esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro
  • php-nyholm-psr7
    Fixed in 1.5.0-1ubuntu0.1~esm1
    Available with Ubuntu Pro: https://ubuntu.com/pro

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.