What’s Vulnerable › Vulnerabilities

CVE-2020-21426

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-120

Description

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.

Affected products

• FreeImage: 3.18.0

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RUEK2JOVJBQZVNQIIZZO3JFMTVB4R5KS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGOMCRAANNCQYJYPPMGRQWKRZGIP6NME/
• https://sourceforge.net/p/freeimage/bugs/300/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RUEK2JOVJBQZVNQIIZZO3JFMTVB4R5KS/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGOMCRAANNCQYJYPPMGRQWKRZGIP6NME/
• https://sourceforge.net/p/freeimage/bugs/300/

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