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TI-2009-00657 Aliases CVE-2009-0688GHSA-pjpw-9mvc-5cwc

Multiple buffer overflows in the CMU Cyrus SASL library before 2.1.23 might allow remote…

Priority MEDIUM 44CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

Multiple buffer overflows in the CMU Cyrus SASL library before 2.1.23 might allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via strings that are used as input to the sasl_encode64 function in lib/saslutil.c.

Why it matters now

EPSS 0.08206 94th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 46

CPEVersionsRoleVendor
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:*:*:*:*:*:*:*:*up to 2.1.22VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.4.1:*:*:*:*:*:*:*1.4.1VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.0:*:*:*:*:*:*:*1.5.0VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.2:*:*:*:*:*:*:*1.5.2VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.3:*:*:*:*:*:*:*1.5.3VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.5:*:*:*:*:*:*:*1.5.5VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.10:*:*:*:*:*:*:*1.5.10VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.11:*:*:*:*:*:*:*1.5.11VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.13:*:*:*:*:*:*:*1.5.13VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.15:*:*:*:*:*:*:*1.5.15VulnerableCarnegie Mellon University
Show 36 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.16:*:*:*:*:*:*:*1.5.16VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.20:*:*:*:*:*:*:*1.5.20VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.21:*:*:*:*:*:*:*1.5.21VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.22:*:*:*:*:*:*:*1.5.22VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.23:*:*:*:*:*:*:*1.5.23VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.24:*:*:*:*:*:*:*1.5.24VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.26:*:*:*:*:*:*:*1.5.26VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.27:*:*:*:*:*:*:*1.5.27VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:1.5.28:*:*:*:*:*:*:*1.5.28VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.0:*:*:*:*:*:*:*2.0.0VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.1:*:*:*:*:*:*:*2.0.1VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.2:*:*:*:*:*:*:*2.0.2VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.3:*:*:*:*:*:*:*2.0.3VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.4:*:*:*:*:*:*:*2.0.4VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.0.5:*:*:*:*:*:*:*2.0.5VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.0:*:*:*:*:*:*:*2.1.0VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.1:*:*:*:*:*:*:*2.1.1VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.2:*:*:*:*:*:*:*2.1.2VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.3:*:*:*:*:*:*:*2.1.3VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.5:*:*:*:*:*:*:*2.1.5VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.6:*:*:*:*:*:*:*2.1.6VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.7:*:*:*:*:*:*:*2.1.7VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.8:*:*:*:*:*:*:*2.1.8VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.9:*:*:*:*:*:*:*2.1.9VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.10:*:*:*:*:*:*:*2.1.10VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.11:*:*:*:*:*:*:*2.1.11VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.12:*:*:*:*:*:*:*2.1.12VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.13:*:*:*:*:*:*:*2.1.13VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.14:*:*:*:*:*:*:*2.1.14VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.15:*:*:*:*:*:*:*2.1.15VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.16:*:*:*:*:*:*:*2.1.16VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.17:*:*:*:*:*:*:*2.1.17VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.18:*:*:*:*:*:*:*2.1.18VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.19:*:*:*:*:*:*:*2.1.19VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.20:*:*:*:*:*:*:*2.1.20VulnerableCarnegie Mellon University
cpe:2.3:a:carnegie_mellon_university:cyrus-sasl:2.1.21:*:*:*:*:*:*:*2.1.21VulnerableCarnegie Mellon University

Remediation

Red Hat 1 advisory

  • RHSA-2009:1116 Released 2009-06-18 · Red Hat rating Important
    cyrus-imapd security update
    • Red Hat Enterprise Linux (v. 5 server) cyrus-imapd-2.3.7-2.el5_3.2, cyrus-imapd-2.3.7-2.el5_3.2.i386, cyrus-imapd-2.3.7-2.el5_3.2.ia64 +13
    • Red Hat Enterprise Linux AS version 4 cyrus-imapd-2.2.12-10.el4_8.1, cyrus-imapd-2.2.12-10.el4_8.1.i386, cyrus-imapd-2.2.12-10.el4_8.1.ia64 +21
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) cyrus-imapd-2.3.7-2.el5_3.2, cyrus-imapd-2.3.7-2.el5_3.2.i386, cyrus-imapd-devel-2.3.7-2.el5_3.2 +5
    • Red Hat Enterprise Linux Desktop version 4 cyrus-imapd-2.2.12-10.el4_8.1, cyrus-imapd-2.2.12-10.el4_8.1.i386, cyrus-imapd-devel-2.2.12-10.el4_8.1 +9
    • Red Hat Enterprise Linux ES version 4 cyrus-imapd-2.2.12-10.el4_8.1, cyrus-imapd-2.2.12-10.el4_8.1.i386, cyrus-imapd-2.2.12-10.el4_8.1.ia64 +15
    • Red Hat Enterprise Linux WS version 4 cyrus-imapd-2.2.12-10.el4_8.1, cyrus-imapd-2.2.12-10.el4_8.1.i386, cyrus-imapd-2.2.12-10.el4_8.1.ia64 +15

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2009:1116
Red Hat Enterprise Linux AS version 4Fixed RHSA-2009:1116
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2009:1116
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2009:1116
Red Hat Enterprise Linux ES version 4Fixed RHSA-2009:1116
Red Hat Enterprise Linux WS version 4Fixed RHSA-2009:1116

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-0688
  2. 2026-10-03 Alias added: GHSA-pjpw-9mvc-5cwc

References

Patch 1

Advisory 14

Other 10

  • TI-2000-00946 cyrus-sasl before 1.5.24 in Red Hat Linux 7.0 does not properly verify the authorization… CVSS 2.0MEDIUM 4.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences