What’s Vulnerable › Vulnerabilities

CVE-2020-23886

• Severity: medium (CVSS 5.5 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: 2021-11-10 · updated 2026-06-17
• Weakness: CWE-787

Description

XnView MP v0.96.4 was discovered to contain a heap overflow which allows attackers to cause a denial of service (DoS) via a crafted pict file. Related to a User Mode Write AV starting at ntdll!RtlpLowFragHeapFree.

Affected products

• Xnview Mp: through 0.96.4

References

• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/Aurorainfinity/vulnerabilities/tree/master/xnviewmp
• https://www.xnview.com/en/xnviewmp/
• https://cwe.mitre.org/data/definitions/122.html
• https://github.com/Aurorainfinity/vulnerabilities/tree/master/xnviewmp
• https://www.xnview.com/en/xnviewmp/

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