Is CVE-2019-19906 actively exploited?

CVE-2019-19906 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2019-19906?

CVE-2019-19906 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2019-19906?

Patch guidance is available from cyrusimap security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2019-19906.

Fix CVE-2019-19906 - HIGH cyrusimap cyrus-sasl

Q: Which products are affected by CVE-2019-19906?

54 products: cyrusimap cyrus-sasl, debian debian linux, debian debian linux, debian debian linux, canonical ubuntu linux, and 49 more.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-193 CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: CYRUSIMAP
Published: 12/19/2019
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

cyrusimap : cyrus-sasldebian : debian_linuxdebian : debian_linuxdebian : debian_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxcanonical : ubuntu_linuxfedoraproject : fedorafedoraproject : fedoraredhat : jboss_enterprise_web_serverapple : mac_os_xredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linuxredhat : enterprise_linux_eusredhat : enterprise_linux_for_ibm_z_systemsredhat : enterprise_linux_for_ibm_z_systems_eusredhat : enterprise_linux_for_power_little_endianredhat : enterprise_linux_for_power_little_endian_eusredhat : enterprise_linux_server_ausredhat : enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutionsredhat : enterprise_linux_server_tusredhat : enterprise_linux_server_update_services_for_sap_solutionsapple : ipadosapple : iphone_osapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapache : bookkeeper

Remediation Guidance

Executive Summary

View on NIST NVD