What is CVE-2021-46064?

CVE-2021-46064 is a high-severity vulnerability in Irfanview, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-23.

How severe is CVE-2021-46064?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Irfanview

CVE-2021-46064

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Irfanview — versions 4.59
N/a — versions n/a

Weakness classification (CWE)

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

References

af854a3a-2127-422b-91ae-364da2661108 (Product, x_refsource_MISC)
af854a3a-2127-422b-91ae-364da2661108 (Product, URL Repurposed, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2021-46064?: CVE-2021-46064 is a high-severity vulnerability in Irfanview, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-23.
How severe is CVE-2021-46064?: High severity. CVSS v3 base score is 7.8 out of 10.