Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.
CVE-2005-2920
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 8%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 94.2%
- KEV
- Not listed
Published
September 20, 2005
Last Modified
April 16, 2026
References (22)
- cve@mitrehttp://secunia.com/advisories/16848
- cve@mitrehttp://secunia.com/advisories/16989
- cve@mitrehttp://sourceforge.net/project/shownotes.php?release_id=356974
- cve@mitrehttp://www.debian.org/security/2005/dsa-824
- cve@mitrehttp://www.gentoo.org/security/en/glsa/glsa-200509-13.xml
- cve@mitrehttp://www.kb.cert.org/vuls/id/363713
- cve@mitrehttp://www.novell.com/linux/security/advisories/2005_55_clamav.html
- cve@mitrehttp://www.osvdb.org/19506
- cve@mitrehttp://www.securityfocus.com/bid/14866
- cve@mitrehttp://www.vupen.com/english/advisories/2005/1774
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/22307
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/16848
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/16989
- af854a3a-2127-422b-91ae-364da2661108http://sourceforge.net/project/shownotes.php?release_id=356974
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2005/dsa-824
Data Freshness Timeline
(refreshed 5× in last 7d / 29× 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.
- 2026-07-13 22:24 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
- 2026-07-11 08:22 UTCEPSS rescore
- 2026-07-09 03:15 UTCOSV refresh
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- 2026-06-20 15:42 UTCOSV refresh
- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-06-16 17:49 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 12:09 UTCEG score recompute
- 2026-05-31 12:09 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-27 13:37 UTCEPSS rescore
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- 2026-05-21 22:38 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 20:33 UTCOSV refresh
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Frequently asked(4)
What is CVE-2005-2920?
CVE-2005-2920 is a none vulnerability published on September 20, 2005. Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.
When was CVE-2005-2920 disclosed?
CVE-2005-2920 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-2005-2920 actively exploited?
CVE-2005-2920 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2005-2920?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-2920, 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
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