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Packagist package

nyholm/psr7

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

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1 actionable advisory, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 5.3PackagistPublished

    Improper Input Validation in nyholm/psr7

    GHSA-wjfc-pgfp-pv9c

    Affected
    • Packagist nyholm/psr7 < 1.6.1
    Fixed in
    1.6.1· Vendor fix available
    Issue
    Impact 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. Patches The issue is patched in 1.6.1. Workarounds There are no known workarounds. References https://www.rfc-editor.org/rfc/rfc7230#section-3.2.4

    Recommended action: Upgrade to 1.6.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →