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Cyrus SASL 2.1.23, 2.1.26, and earlier does not properly handle when a NULL value is returned upon an error by the crypt function as implemented in glibc 2.17 and later, which allows remote attackers to cause a denial of service (thread crash and consumption) via (1) an invalid salt or, when FIPS-140 is enabled, a (2) DES or (3) MD5 encrypted password, which triggers a NULL pointer dereference.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade cyrus-sasl | Aug 30, 2017 | Oct 27, 2013 |
| Debian | — | Upgrade cyrus-sasl2 | Jul 30, 2024 | Oct 27, 2013 |
| Gentoo Linux | — | Upgrade dev-libs/cyrus-sasl. | Oct 30, 2017 | Oct 26, 2013 |
| Ubuntu | — | Upgrade libsasl2-2 | Nov 8, 2024 | Oct 27, 2013 |
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