CVE-2003-0544

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-11-17 · updated 2026-06-16

Description

OpenSSL 0.9.6 and 0.9.7 does not properly track the number of characters in certain ASN.1 inputs, which allows remote attackers to cause a denial of service (crash) via an SSL client certificate that causes OpenSSL to read past the end of a buffer when the long form is used.

Affected products

OpenSSL: 0.9.6, 0.9.7

References

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893
http://secunia.com/advisories/22249
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201029-1
http://www-1.ibm.com/support/docview.wss?uid=swg21247112
http://www.cert.org/advisories/CA-2003-26.html
http://www.debian.org/security/2003/dsa-393
http://www.debian.org/security/2003/dsa-394
http://www.kb.cert.org/vuls/id/380864
http://www.linuxsecurity.com/advisories/engarde_advisory-3693.html
http://www.redhat.com/support/errata/RHSA-2003-291.html
http://www.redhat.com/support/errata/RHSA-2003-292.html
http://www.securityfocus.com/bid/8732

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