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Vulnerability DatabaseGHSA-p2gh-cfq4-4wjc

GHSA-p2gh-cfq4-4wjc: 
PHP vulnerability analysis and mitigation

Impact

A Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input. Maliciously structured messages—specifically those containing negative varints or deep recursion—can be used to crash the application, impacting service availability.

Patches

Patches have been released to 5.34.0-RC1 and 4.33.6.

Source: NVD

Related PHP vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-34728HIGH8.7
  • PHPPHP
  • phpmyfaq/phpmyfaq
NoYesApr 02, 2026
CVE-2026-34598HIGH7.1
  • PHPPHP
  • yeswiki/yeswiki
NoYesApr 02, 2026
CVE-2026-34973MEDIUM6.9
  • PHPPHP
  • thorsten/phpmyfaq
NoYesApr 02, 2026
CVE-2026-34729MEDIUM6.1
  • PHPPHP
  • phpmyfaq/phpmyfaq
NoYesApr 02, 2026
CVE-2026-34974MEDIUM5.4
  • PHPPHP
  • thorsten/phpmyfaq
NoYesApr 02, 2026

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