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crypt_blowfish: 8-bit character mishandling allows different password pairs to produce the same hash

🗓️ 17 Oct 2011 21:42:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

crypt_blowfish mishandles eight-bit characters, allowing different passwords to share the same hash on affected platforms.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux4i386postgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.i386.rpm
Red Hat Enterprise Linux4ia64postgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.ia64.rpm
Red Hat Enterprise Linux4ppcpostgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.ppc.rpm
Red Hat Enterprise Linux4s390postgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.s390.rpm
Red Hat Enterprise Linux4s390xpostgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.s390x.rpm
Red Hat Enterprise Linux4x86_64postgresql0:7.4.30-3.el4postgresql-0:7.4.30-3.el4.x86_64.rpm
Red Hat Enterprise Linux5i386postgresql0:8.1.23-1.el5_7.2postgresql-0:8.1.23-1.el5_7.2.i386.rpm
Red Hat Enterprise Linux5ia64postgresql0:8.1.23-1.el5_7.2postgresql-0:8.1.23-1.el5_7.2.ia64.rpm
Red Hat Enterprise Linux5ppcpostgresql0:8.1.23-1.el5_7.2postgresql-0:8.1.23-1.el5_7.2.ppc.rpm
Red Hat Enterprise Linux5ppc64postgresql0:8.1.23-1.el5_7.2postgresql-0:8.1.23-1.el5_7.2.ppc64.rpm
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28 Jan 2026 22:53Current
5.8Medium risk
Vulners AI Score5.8
CVSS 25
EPSS0.07072
3