CVE-2005-2991

NONECVSS 0.0

0.0

ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

CVSS v3: —
EG Score: —
EPSS: 25.8%
KEV: Not listed

Published

September 20, 2005

Last Modified

April 16, 2026

References (8)

secalert@redhathttp://marc.info/?l=bugtraq&m=112689772732098&w=2
secalert@redhathttp://marc.info/?l=full-disclosure&m=112688098630314&w=2
secalert@redhathttp://securityreason.com/securityalert/12
secalert@redhathttp://www.zataz.net/adviso/ncompress-09052005.txt
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=bugtraq&m=112689772732098&w=2
af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=full-disclosure&m=112688098630314&w=2
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/12
af854a3a-2127-422b-91ae-364da2661108http://www.zataz.net/adviso/ncompress-09052005.txt

Data Freshness Timeline

(refreshed 11× 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
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 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
2026-05-21 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-2005-2991?

CVE-2005-2991 is a none vulnerability published on September 20, 2005. ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

When was CVE-2005-2991 disclosed?

CVE-2005-2991 was first published in the National Vulnerability Database on September 20, 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-2005-2991 actively exploited?

CVE-2005-2991 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2005-2991?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-2991, 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-2005-2991

📅 Published

🔄 Last Modified

🔗 References (8)