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
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 87%
CISA-KEV: Not listedEPSS PROB: 87%CVSS: 9.8Exploit: Elevated riskExposed: 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)
EG Risk
83(Track*)
EG Risk 83/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation85% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
87%
EPSS %ILE
100%
KEV
Not listed

Published

November 17, 2003

Last Modified

June 16, 2026

Advisory Details (6)

Auto-updated Aug 26, 2026
No patch confirmed yet. Sources: cert.
generic

VUPEN Security - Vulnerability Research and Intelligence

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

CVE-2003-0543 - PSIRT.COM

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

Secunia Research & Vulnerability Insights | 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.

Affected Packages

(6 across 5 ecosystems)
Debian:3.0(2)
PackageVulnerable rangeFixed inDependents
openssl—0.9.6c-2.woody.4—
openssl095—0.9.5a-6.woody.3—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
openssl—0.9.7c—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
openssl—0.9.7c—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
openssl—0.9.7c—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
openssl—0.9.7c—

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 2× in last 7d / 3× 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. 2026-08-30 01:13 UTCEPSS rescore
  2. 2026-08-26 12:43 UTCOSV refresh
  3. 2026-08-10 01:39 UTCOSV refresh
  4. 2026-07-25 02:11 UTCOSV refresh
  5. 2026-07-24 14:11 UTCEPSS rescore
  6. 2026-07-23 00:45 UTCEG score recompute
  7. 2026-07-23 00:26 UTCEG score recompute
  8. 2026-07-22 23:49 UTCEG score recompute
  9. 2026-07-22 21:30 UTCEG score recompute
  10. 2026-07-07 20:42 UTCOSV refresh
  11. 2026-07-04 06:26 UTCEPSS rescore
  12. 2026-06-27 03:04 UTCEPSS rescore
  13. 2026-06-23 21:29 UTCEPSS rescore
  14. 2026-06-21 01:56 UTCEPSS rescore
  15. 2026-06-19 08:25 UTCOSV refresh
  16. 2026-06-16 17:49 UTCEPSS rescore
  17. 2026-06-16 17:49 UTCEPSS rescore
  18. 2026-06-15 17:43 UTCEPSS rescore
  19. 2026-06-14 23:13 UTCEPSS rescore
  20. 2026-06-14 23:13 UTCEPSS rescore
  21. 2026-06-13 22:56 UTCEPSS rescore
  22. 2026-06-12 23:08 UTCEPSS rescore
  23. 2026-06-11 13:55 UTCEPSS rescore
  24. 2026-06-10 22:13 UTCEPSS rescore
  25. 2026-06-10 13:17 UTCEPSS rescore
Show 39 more
  1. 2026-06-08 14:13 UTCEPSS rescore
  2. 2026-06-07 15:21 UTCEPSS rescore
  3. 2026-06-05 22:43 UTCEPSS rescore
  4. 2026-06-05 22:43 UTCEPSS rescore
  5. 2026-06-05 06:07 UTCEPSS rescore
  6. 2026-06-04 13:09 UTCEPSS rescore
  7. 2026-06-02 20:10 UTCEPSS rescore
  8. 2026-06-01 13:49 UTCEPSS rescore
  9. 2026-06-01 13:49 UTCEPSS rescore
  10. 2026-05-31 00:13 UTCEPSS rescore
  11. 2026-05-31 00:13 UTCEPSS rescore
  12. 2026-05-30 18:23 UTCOSV refresh
  13. 2026-05-29 13:40 UTCEPSS rescore
  14. 2026-05-29 13:40 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-28 13:42 UTCEPSS rescore
  18. 2026-05-27 13:37 UTCEPSS rescore
  19. 2026-05-24 16:42 UTCEPSS rescore
  20. 2026-05-22 21:15 UTCEPSS rescore
  21. 2026-05-20 07:36 UTCVendor advisory
  22. 2026-05-20 07:36 UTCGHSA enrichment
  23. 2026-05-20 03:12 UTCVendor advisory
  24. 2026-05-20 03:12 UTCGHSA enrichment
  25. 2026-05-19 23:10 UTCVendor advisory
  26. 2026-05-19 23:10 UTCGHSA enrichment
  27. 2026-05-19 19:09 UTCVendor advisory
  28. 2026-05-19 19:09 UTCGHSA enrichment
  29. 2026-05-19 14:49 UTCVendor advisory
  30. 2026-05-19 14:49 UTCGHSA enrichment
  31. 2026-05-19 10:33 UTCVendor advisory
  32. 2026-05-19 10:33 UTCGHSA enrichment
  33. 2026-05-19 06:03 UTCVendor advisory
  34. 2026-05-19 06:02 UTCGHSA enrichment
  35. 2026-05-19 02:05 UTCEG score recompute
  36. 2026-05-19 02:05 UTCVendor advisory
  37. 2026-05-19 02:05 UTCGHSA enrichment
  38. 2026-05-18 21:29 UTCEPSS rescore
  39. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

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 87% probability of exploitation in the next 30 days, which ranks it in the top 0.3% of all scored CVEs.
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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2003-0545

Explore →

Is Your Infrastructure Affected by CVE-2003-0545?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs