CVE-2019-19906
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.
- CVSS 3.1
- 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS
- 8.0% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-25)
- CWEs
- CWE-193, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- apache:bookkeeper
- apple:ipados
- apple:iphone_os
- apple:mac_os_x
- canonical:ubuntu_linux
- cyrusimap:cyrus-sasl
- debian:debian_linux
- fedoraproject:fedora
- redhat:enterprise_linux
- redhat:enterprise_linux_eus
- redhat:enterprise_linux_for_ibm_z_systems
- redhat:enterprise_linux_for_ibm_z_systems_eus
- redhat:enterprise_linux_for_power_little_endian
- redhat:enterprise_linux_for_power_little_endian_eus
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions
- redhat:enterprise_linux_server_tus
- redhat:enterprise_linux_server_update_services_for_sap_solutions
- redhat:jboss_enterprise_web_server
References
- http://seclists.org/fulldisclosure/2020/Jul/23
- http://seclists.org/fulldisclosure/2020/Jul/24
- http://www.openwall.com/lists/oss-security/2022/02/23/4
- https://github.com/cyrusimap/cyrus-sasl/issues/587
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E