What’s Vulnerable › Vulnerabilities

CVE-2021-40266

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-22 · updated 2026-06-17
• Weakness: CWE-476

Description

FreeImage before 1.18.0, ReadPalette function in PluginTIFF.cpp is vulnerabile to null pointer dereference.

Affected products

• FreeImage: before 1.18.0 — fixed in 1.18.0

How to fix

Upgrade to a fixed version: FreeImage 1.18.0. Check the vendor advisory for mitigations.

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFRQ76ZDPSWT7OH6FJDLSFWBXVBE6JDN/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6GKMK74POW3RU7F4HLUJE7XEFLQDO35/
• https://sourceforge.net/p/freeimage/bugs/334/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFRQ76ZDPSWT7OH6FJDLSFWBXVBE6JDN/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6GKMK74POW3RU7F4HLUJE7XEFLQDO35/
• https://sourceforge.net/p/freeimage/bugs/334/

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