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cyrus-sasl: denial of service in _sasl_add_string function

🗓️ 04 Nov 2020 02:13:58Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Cyrus SASL 2.1.27 off-by-one error causes out-of-bounds write and remote DoS in OpenLDAP.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Bootable Media Creator (BoMC) is affected by a vulnerability in cyrus-sasl (CVE-2019-19906)
21 Jun 202119:20
–ibm
IBM Security Bulletins		Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801-ze
24 Jul 202021:16
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM Application Framework Base Image is vulnerable to using components with Known Vulnerabilities
3 Dec 202118:52
–ibm
FreeBSD		cyrus-sasl -- Fix off by one error
19 Dec 201900:00
–freebsd
Tenable Nessus		Alibaba Cloud Linux 3 : 0013: cyrus-sasl (ALINUX3-SA-2022:0013)
14 May 202500:00
–nessus
Tenable Nessus		AlmaLinux 8 : cyrus-sasl (ALSA-2020:4497)
9 Feb 202200:00
–nessus
Tenable Nessus		Apple iOS < 13.6 Multiple Vulnerabilities
17 Jul 202000:00
–nessus
Tenable Nessus		CentOS 8 : cyrus-sasl (CESA-2020:4497)
1 Feb 202100:00
–nessus
Tenable Nessus		Debian DLA-2044-1 : cyrus-sasl2 security update
23 Dec 201900:00
–nessus
Tenable Nessus		Debian DSA-4591-1 : cyrus-sasl2 - security update
23 Dec 201900:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64cyrus-sasl0:2.1.27-5.el8cyrus-sasl-0:2.1.27-5.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecyrus-sasl0:2.1.27-5.el8cyrus-sasl-0:2.1.27-5.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcyrus-sasl0:2.1.27-5.el8cyrus-sasl-0:2.1.27-5.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64cyrus-sasl0:2.1.27-5.el8cyrus-sasl-0:2.1.27-5.el8.x86_64.rpm
Red Hat Enterprise Linux8anycyrus-sasl0:2.1.27-5.el8.i686cyrus-sasl-0:2.1.27-5.el8.i686.noarch.rpm
Red Hat Enterprise Linux8aarch64cyrus-sasl-debuginfo0:2.1.27-5.el8cyrus-sasl-debuginfo-0:2.1.27-5.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lecyrus-sasl-debuginfo0:2.1.27-5.el8cyrus-sasl-debuginfo-0:2.1.27-5.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xcyrus-sasl-debuginfo0:2.1.27-5.el8cyrus-sasl-debuginfo-0:2.1.27-5.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64cyrus-sasl-debuginfo0:2.1.27-5.el8cyrus-sasl-debuginfo-0:2.1.27-5.el8.x86_64.rpm
Red Hat Enterprise Linux8anycyrus-sasl-debuginfo0:2.1.27-5.el8.i686cyrus-sasl-debuginfo-0:2.1.27-5.el8.i686.noarch.rpm
Rows per page

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25 Jun 2026 10:57Current
7.2High risk
Vulners AI Score7.2
CVSS 25
CVSS 3.17.5
EPSS0.08036
CWE-400
cyrus-sasldenial of serviceout-of-bounds writeopenldapoff-by-onecommon.cmalformed ldap
5