Vulnerability Bulletins

MSA-23-0018: SSRF risk due to insufficient check on the cURL blocked hosts list

System information

Affected software PHP


by Michael Hawkins. An issue in the logic used to check against the cURL blocked hosts lists resulted in an SSRF risk.Severity/Risk:SeriousVersions affected:4.2, 4.1 to 4.1.3, 4.0 to 4.0.8, 3.11 to 3.11.14, 3.9 to 3.9.21 and earlier unsupported versionsVersions fixed:4.2.1, 4.1.4, 4.0.9, 3.11.15 and 3.9.22Reported by:Mateo HanžekCVE identifier:CVE-2023-35133Changes (master):

More info:

Standar resources

Property Value
CVE CVE-2023-35133.

Version history

Version Comments Date
1.0 Advisory issued 2023-06-20
Ministerio de Defensa
Presidencia española. Consejo de la Unión Europea