Critical 9.8Published Dec 18, 2002

CVE-2002-1347Multiple buffer overflows in Cyrus SASL library 2.1.9 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via (1) long inputs during user name canonica…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

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It affects cyrusimap cyrus_sasl and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Multiple buffer overflows in Cyrus SASL library 2.1.9 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via (1) long inputs during user name canonicalization, (2) characters that need to be escaped during LDAP authentication using saslauthd, or (3) an off-by-one error in the log writer, which does not allocate space for the null character that terminates a string.

CVSS: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-131
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

cyrusimap cyrus_sasl cyrusimap:cyrus_sasl	through 2.1.9	NVD
apple mac_os_x apple:mac_os_x	before 10.3.8	NVD
apple mac_os_x_server apple:mac_os_x_server	before 10.3.8	NVD

References

References

http://archives.neohapsis.com/archives/linux/suse/2002-q4/1275.html	broken-link
http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000557	broken-link
http://lists.apple.com/archives/security-announce/2005/Mar/msg00000.html	mailing-list
http://marc.info/?l=bugtraq&m=103946297703402&w=2	mailing-list, patch
http://www.debian.org/security/2002/dsa-215	broken-link
http://www.redhat.com/support/errata/RHSA-2002-283.html	broken-link
http://www.securityfocus.com/advisories/4826	broken-link, third-party-advisory, vdb-entry
http://www.securityfocus.com/bid/6347	broken-link, third-party-advisory, vdb-entry
http://www.securityfocus.com/bid/6348	broken-link, third-party-advisory, vdb-entry
http://www.securityfocus.com/bid/6349	broken-link, third-party-advisory, vdb-entry
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The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.