CVE & CISA-KEV CatalogNVD
CVE-2003-0543
MEDIUMEPSS 98th pctl5.0
CVSS v2
Description
Integer overflow in OpenSSL 0.9.6 and 0.9.7 allows remote attackers to cause a denial of service (crash) via an SSL client certificate with certain ASN.1 tag values.
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
24.65%probability of exploitation in 30 days
98thpercentile
Very high risk: more likely to be exploited than 98% of all known CVEs.
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/255484
- 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
- http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm
- http://www.vupen.com/english/advisories/2006/3900
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4254
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5292
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-16.