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GHSA-wjfc-pgfp-pv9cmedium5.3No CVE assigned

Improper Input Validation in nyholm/psr7

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.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

nyholm/psr7 Packagist
Affected rangeRecorded fix
Earlier releases before 1.6.1Ecosystem versions1.6.1

Version evidence: OSV · GHSA-wjfc-pgfp-pv9c

View original version evidence (19 explicit versions)

Original source description

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

References