CVE-2005-4839

NONECVSS 0.0

0.0

PureTLS before 0.9b5 does not clear optional Extensions and Algorithm.Parameters values before parsing, which might trigger an information leak of values from earlier certificates.

CVSS v3: —
EG Score: —
EPSS: 39.9%
KEV: Not listed

Published

December 31, 2005

Last Modified

April 16, 2026

References (4)

secalert@redhathttp://www.rtfm.com/puretls/
secalert@redhathttp://www1.ietf.org/mail-archive/web/tls/current/msg00229.html
af854a3a-2127-422b-91ae-364da2661108http://www.rtfm.com/puretls/
af854a3a-2127-422b-91ae-364da2661108http://www1.ietf.org/mail-archive/web/tls/current/msg00229.html

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2005-4839?

CVE-2005-4839 is a none vulnerability published on December 31, 2005. PureTLS before 0.9b5 does not clear optional Extensions and Algorithm.Parameters values before parsing, which might trigger an information leak of values from earlier certificates.

When was CVE-2005-4839 disclosed?

CVE-2005-4839 was first published in the National Vulnerability Database on December 31, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2005-4839 actively exploited?

CVE-2005-4839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-4839?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-4839, 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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CVE-2005-4839

📅 Published

🔄 Last Modified

🔗 References (4)