CVE-2003-0545

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: HIGH) published 2022-04-29. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 85%
CISA-KEV: Not listedEPSS: 85%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
99.7%
KEV
Not listed

Published

November 17, 2003

Last Modified

June 16, 2026

Advisory Details (6)

Auto-updated Jun 23, 2026
No patch confirmed yet. Sources: cert.
generic

VUPEN Security - Vulnerability Research and Intelligence

http://www.vupen.com/english/advisories/2006/3900
generic
http://www.securityfocus.com/bid/8732
generic

Support

http://www.redhat.com/support/errata/RHSA-2003-292.html
cert

VU#935264 - OpenSSL ASN.1 parser insecure memory deallocation

http://www.kb.cert.org/vuls/id/935264
generic

Debian -- The Universal Operating System

http://www.debian.org/security/2003/dsa-394
generic

About Secunia Research | Flexera

http://secunia.com/advisories/22249

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatpatch2003-09-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 1× in last 7d / 11× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 20:42 UTCOSV refresh
  2. 2026-07-04 06:26 UTCEPSS rescore
  3. 2026-06-27 03:04 UTCEPSS rescore
  4. 2026-06-23 21:29 UTCEPSS rescore
  5. 2026-06-21 01:56 UTCEPSS rescore
  6. 2026-06-19 08:25 UTCOSV refresh
  7. 2026-06-16 17:49 UTCEPSS rescore
  8. 2026-06-16 17:49 UTCEPSS rescore
  9. 2026-06-15 17:43 UTCEPSS rescore
  10. 2026-06-14 23:13 UTCEPSS rescore
  11. 2026-06-14 23:13 UTCEPSS rescore
  12. 2026-06-13 22:56 UTCEPSS rescore
  13. 2026-06-12 23:08 UTCEPSS rescore
  14. 2026-06-11 13:55 UTCEPSS rescore
  15. 2026-06-10 22:13 UTCEPSS rescore
  16. 2026-06-10 13:17 UTCEPSS rescore
  17. 2026-06-08 14:13 UTCEPSS rescore
  18. 2026-06-07 15:21 UTCEPSS rescore
  19. 2026-06-05 22:43 UTCEPSS rescore
  20. 2026-06-05 22:43 UTCEPSS rescore
  21. 2026-06-05 06:07 UTCEPSS rescore
  22. 2026-06-04 13:09 UTCEPSS rescore
  23. 2026-06-02 20:10 UTCEPSS rescore
  24. 2026-06-01 13:49 UTCEPSS rescore
  25. 2026-06-01 13:49 UTCEPSS rescore
Show 37 more
  1. 2026-05-31 00:13 UTCEPSS rescore
  2. 2026-05-31 00:13 UTCEPSS rescore
  3. 2026-05-30 18:23 UTCOSV refresh
  4. 2026-05-29 13:40 UTCEPSS rescore
  5. 2026-05-29 13:40 UTCEPSS rescore
  6. 2026-05-28 13:42 UTCEPSS rescore
  7. 2026-05-28 13:42 UTCEPSS rescore
  8. 2026-05-28 13:42 UTCEPSS rescore
  9. 2026-05-27 13:37 UTCEPSS rescore
  10. 2026-05-24 16:42 UTCEPSS rescore
  11. 2026-05-22 21:15 UTCEPSS rescore
  12. 2026-05-20 07:36 UTCEG score recompute
  13. 2026-05-20 07:36 UTCVendor advisory
  14. 2026-05-20 07:36 UTCGHSA enrichment
  15. 2026-05-20 03:12 UTCEG score recompute
  16. 2026-05-20 03:12 UTCVendor advisory
  17. 2026-05-20 03:12 UTCGHSA enrichment
  18. 2026-05-19 23:10 UTCEG score recompute
  19. 2026-05-19 23:10 UTCVendor advisory
  20. 2026-05-19 23:10 UTCGHSA enrichment
  21. 2026-05-19 19:09 UTCEG score recompute
  22. 2026-05-19 19:09 UTCVendor advisory
  23. 2026-05-19 19:09 UTCGHSA enrichment
  24. 2026-05-19 14:49 UTCEG score recompute
  25. 2026-05-19 14:49 UTCVendor advisory
  26. 2026-05-19 14:49 UTCGHSA enrichment
  27. 2026-05-19 10:33 UTCEG score recompute
  28. 2026-05-19 10:33 UTCVendor advisory
  29. 2026-05-19 10:33 UTCGHSA enrichment
  30. 2026-05-19 06:03 UTCEG score recompute
  31. 2026-05-19 06:03 UTCVendor advisory
  32. 2026-05-19 06:02 UTCGHSA enrichment
  33. 2026-05-19 02:05 UTCEG score recompute
  34. 2026-05-19 02:05 UTCVendor advisory
  35. 2026-05-19 02:05 UTCGHSA enrichment
  36. 2026-05-18 21:29 UTCEPSS rescore
  37. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2003-0545?
CVE-2003-0545 is a critical vulnerability published on November 17, 2003. Double free vulnerability in OpenSSL 0.9.7 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an SSL client certificate with a certain invalid ASN.1 encoding.
When was CVE-2003-0545 disclosed?
CVE-2003-0545 was first published in the National Vulnerability Database on November 17, 2003, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2003-0545 actively exploited?
CVE-2003-0545 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2003-0545?
CVE-2003-0545 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2003-0545?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2003-0545, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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