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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…
High7.5EPSS 8.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 8.0% · top 5.2% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (16)
- https://github.com/cyrusimap/cyrus-sasl/issues/587 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.openldap.org/its/index.cgi/Incoming?id=9123 (opens in a new tab)x_refsource_MISCx_transferred
- [debian-lts-announce] 20191220 [SECURITY] [DLA 2044-1] cyrus-sasl2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-4591 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20191225 [SECURITY] [DSA 4591-1] cyrus-sasl2 security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- USN-4256-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2020-51d591d035 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-bf829f9a84 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://support.apple.com/kb/HT211288 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT211289 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20200717 APPLE-SA-2020-07-15-2 macOS Catalina 10.15.6, Security Update 2020-004 Mojave, Security Update 2020-004 High Sierra (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20200717 APPLE-SA-2020-07-15-1 iOS 13.6 and iPadOS 13.6 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [oss-security] 20220223 Fwd: Cyrus-SASL 2.1.28 released [fixes CVE-2022-24407 & CVE-2019-19906] (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-19906)Record last updated .