What is CVE-2020-21426?

CVE-2020-21426 is a high-severity vulnerability in Freeimage_project Freeimage, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-08-22.

How severe is CVE-2020-21426?

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

Buffer overflow in Freeimage_project Freeimage

CVE-2020-21426

Buffer Overflow vulnerability in function C_IStream::read in PluginEXR.cpp in FreeImage 3.18.0 allows remote attackers to run arbitrary code and cause other impacts via crafted image file.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (36.4th 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

Freeimage_project Freeimage — versions 3.18.0
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (vendor-advisory)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2020-21426?: CVE-2020-21426 is a high-severity vulnerability in Freeimage_project Freeimage, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2023-08-22.
How severe is CVE-2020-21426?: High severity. CVSS v3 base score is 7.8 out of 10.