CVE-2021-46064

HIGHNVD 7.87.8—Trending — 3 sources updated this week

7.8

IrfanView 4.59 is vulnerable to buffer overflow via the function at address 0x413c70 (in 32bit version of the binary). The vulnerability triggers when the user opens malicious .tiff image.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 69.3%
KEV: Not listed

Published

March 23, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://irfan.com
cve@mitrehttp://irfanview.com
cve@mitrehttps://www.irfanview.info/main_history.htm
af854a3a-2127-422b-91ae-364da2661108http://irfan.com
af854a3a-2127-422b-91ae-364da2661108http://irfanview.com
af854a3a-2127-422b-91ae-364da2661108https://www.irfanview.info/main_history.htm

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 11× in last 7d / 11× 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.

2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 01:10 UTCEG score recompute
2026-05-26 01:10 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-46064?

CVE-2021-46064 is a high vulnerability published on March 23, 2022. IrfanView 4.59 is vulnerable to buffer overflow via the function at address 0x413c70 (in 32bit version of the binary). The vulnerability triggers when the user opens malicious .tiff image.

When was CVE-2021-46064 disclosed?

CVE-2021-46064 was first published in the National Vulnerability Database on March 23, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-46064 actively exploited?

CVE-2021-46064 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-46064?

CVE-2021-46064 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-46064?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-46064, 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-2021-46064

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CVE-2021-46064

📅 Published

🔄 Last Modified

🔗 References (6)