CVE-2019-19906
HIGH7.5EPSS 0.48%cyrus-sasl2 - security update
Published: 12/19/2019Modified: 4/28/2026
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.
Affected packages (4)
- Alpine/cyrus-saslfrom 0, < 2.1.27-r4
- Debian/cyrus-sasl2from 0, < 2.1.27+dfsg-2
- Debian/cyrus-sasl2from 0, < 2.1.26.dfsg1-13+deb8u2
- Debian/cyrus-sasl2from 0, < 2.1.27~101-g0780600+dfsg-3+deb9u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |