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CVE-2023-29530: HTTP Multiline Header Termination

high Affects laminas/laminas-diactoros. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

HTTP Multiline Header Termination

Package
laminas/laminas-diactoros Composer
Affected versions
<2.18.1 or >=2.19.0 and <2.19.1 or >=2.20.0 and <2.20.1 or >=2.21.0 and <2.21.1 or >=2.22.0 and <2.22.1 or >=2.23.0 and <2.23.1 or >=2.24.0 and <2.24.2 or >=2.25.0 and <2.25.2
Fixed in
2.18.1, 2.19.1, 2.20.1, 2.21.1, 2.22.1, 2.23.1, 2.24.2, 2.25.2
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV · EPSS 1% (61.6th percentile)
Published
2023-04-24
Source
osv.dev

References

CWE-20
NVD recordlaminas/laminas-diactoros advisories

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# then
vendor/bin/phpwarden deps composer.lock

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