What’s Vulnerable › Vulnerabilities

CVE-2026-7836: hextoint macro uppercase bug

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-21 · updated 2026-07-23
• Weakness: CWE-682

Description

An incorrect calculation in the hextoint macro in Netatalk 2.0.0 through 4.4.2 due to improper uppercase character handling allows a remote authenticated attacker to cause limited data modification via crafted hexadecimal input.

Affected products

• Netatalk: from 2.0.0 through 4.4.2

References

• https://netatalk.io/security/CVE-2026-7836

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