Skip to content
CVE Tracker
Back

CVE-2003-0543

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…

Medium5.0EPSS 27.4%
Published
Updated
Reserved
Assigned by
mitre

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.

Scores

CVSS scores of CVE-2003-0543, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium5.0AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS (exploitation in 30 days)
27.4% · top 1.9% 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)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2003-0543 badge
[![CVE-2003-0543](https://trackcve.app/badge/CVE-2003-0543.svg)](https://trackcve.app/cve/CVE-2003-0543)

Record last updated .