Medium 5.0Published Aug 25, 2011

CVE-2011-2483crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects php and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

CVSS: 5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-310
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

php php php:php	before 5.3.7	NVD
postgresql postgresql postgresql:postgresql	from 8.2.0 before 8.2.22; from 8.3.0 before 8.3.16; from 8.4.0 before 8.4.9; from 9.0.0 before 9.0.5	NVD
openwall crypt_blowfish openwall:crypt_blowfish	before 1.1	NVD

References

References

http://freshmeat.net/projects/crypt_blowfish	broken-link
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705	third-party-advisory
http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html	mailing-list
http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00015.html	third-party-advisory
http://php.net/security/crypt_blowfish	third-party-advisory
http://support.apple.com/kb/HT5130	third-party-advisory
http://www.debian.org/security/2011/dsa-2340	third-party-advisory, vdb-entry
http://www.debian.org/security/2012/dsa-2399	third-party-advisory, vdb-entry
http://www.mandriva.com/security/advisories?name=MDVSA-2011:165	broken-link
http://www.mandriva.com/security/advisories?name=MDVSA-2011:178	broken-link
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The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.