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CVE-2003-0544
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…
Medium5.0EPSS 6.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 6.9% · top 5.9% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (16)
- RHSA-2003:292 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- oval:org.mitre.oval:def:4574 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- VU#380864 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- openssl-asn1-sslclient-dos(43041) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- ADV-2006-3900 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- DSA-393 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://www-1.ibm.com/support/docview.wss?uid=swg21247112 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm (opens in a new tab)x_refsource_MISCx_transferred
- DSA-394 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2003:291 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- CA-2003-26 (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- 22249 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 8732 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 201029 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=104893 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ESA-20030930-027 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
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-2003-0544)Record last updated .