{"id":"CVE-2003-0544","aliases":["DEBIAN-CVE-2003-0544","DSA-393","DSA-394","EUVD-2003-0538","GHSA-4352-7f73-983c"],"status":"published","title":"OpenSSL 0.9.6 and 0.9.7 does not properly track the number of characters in certain ASN.1 inputs,...","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.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.06922,"percentile":0.9414,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2003-10-01T00:00:00Z","modified":"2026-10-22T23:47:25Z","fixes":[{"ecosystem":"Debian:12","package":"openssl","fixed_in":["0.9.7c"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"openssl","fixed_in":["0.9.7c"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"openssl","fixed_in":["0.9.7c"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.7c"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.7c"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.7c"}]}]},{"source":"osv","ecosystem":"Debian:3.0","package":"openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.6c-2.woody.4"}]}],"bundled":3},{"source":"osv","ecosystem":"Debian:3.0","package":"openssl095","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.5a-6.woody.3"}]}],"bundled":3}],"products":[{"vendor":"openssl","product":"openssl"}],"references":[{"url":"http://www.redhat.com/support/errata/RHSA-2003-292.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor 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Resource","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/43041","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2006/3900","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2003/dsa-393","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www-1.ibm.com/support/docview.wss?uid=swg21247112","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://www.uniras.gov.uk/vuls/2003/006489/openssl.htm","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.debian.org/security/2003/dsa-394","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.redhat.com/support/errata/RHSA-2003-291.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Patch","Vendor 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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.","status":"published","published":"2003-10-01T04:00:00Z","modified":"2024-08-08T01:58:10.811Z","updated_at":"2026-11-02T14:20:16.757505Z"}],"euvd":[{"id":"EUVD-2003-0538","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.","status":"published","published":"2003-10-01T04:00:00Z","modified":"2024-08-08T01:58:10Z","updated_at":"2026-11-03T01:15:06.866577Z"}],"ghsa":[{"id":"GHSA-4352-7f73-983c","title":"OpenSSL 0.9.6 and 0.9.7 does not properly track the number of characters in certain ASN.1 inputs,...","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.","status":"published","published":"2022-04-29T01:26:36Z","modified":"2023-01-30T05:01:21Z","updated_at":"2026-11-02T14:46:23.547617Z"}],"nvd":[{"id":"CVE-2003-0544","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.","status":"published","published":"2003-11-17T05:00:00Z","modified":"2026-06-16T22:02:24.437Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}],"osv":[{"id":"CVE-2003-0544","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.","status":"published","published":"2003-11-17T05:00:00Z","modified":"2026-04-10T03:35:36.992677Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2003-0544","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.","status":"published","published":"2003-11-17T05:00:00Z","modified":"2026-10-22T23:47:25.73957876Z","updated_at":"2026-11-02T15:45:22.55978Z"},{"id":"DSA-393","title":"openssl - denial of service","status":"published","published":"2003-10-01T00:00:00Z","modified":"2026-03-09T01:22:59.150991Z","updated_at":"2026-11-02T15:46:16.523846Z"},{"id":"DSA-394","title":"openssl095 - ASN.1 parsing vulnerability","status":"published","published":"2003-10-11T00:00:00Z","modified":"2026-03-09T01:21:20.17128Z","updated_at":"2026-11-02T15:46:16.523846Z"}]}}