vulnerability
Red Hat: CVE-2019-19906: CVE-2019-19906 cyrus-sasl: denial of service in _sasl_add_string function (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Dec 19, 2019 | Nov 5, 2020 | Aug 11, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Dec 19, 2019
Added
Nov 5, 2020
Modified
Aug 11, 2025
Description
cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-cyrus-saslredhat-upgrade-cyrus-sasl-debuginforedhat-upgrade-cyrus-sasl-debugsourceredhat-upgrade-cyrus-sasl-develredhat-upgrade-cyrus-sasl-devel-debuginforedhat-upgrade-cyrus-sasl-gs2redhat-upgrade-cyrus-sasl-gs2-debuginforedhat-upgrade-cyrus-sasl-gssapiredhat-upgrade-cyrus-sasl-gssapi-debuginforedhat-upgrade-cyrus-sasl-ldapredhat-upgrade-cyrus-sasl-ldap-debuginforedhat-upgrade-cyrus-sasl-libredhat-upgrade-cyrus-sasl-lib-debuginforedhat-upgrade-cyrus-sasl-md5redhat-upgrade-cyrus-sasl-md5-debuginforedhat-upgrade-cyrus-sasl-ntlmredhat-upgrade-cyrus-sasl-ntlm-debuginforedhat-upgrade-cyrus-sasl-plainredhat-upgrade-cyrus-sasl-plain-debuginforedhat-upgrade-cyrus-sasl-scramredhat-upgrade-cyrus-sasl-scram-debuginforedhat-upgrade-cyrus-sasl-sqlredhat-upgrade-cyrus-sasl-sql-debuginfo
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