Frequency
2
occurrences
First Seen
January 16, 2026
Last Seen
January 26, 2026
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
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Vulnerability Overview
Exploitation Activity
Exploitation Intelligence
A critical null pointer dereference vulnerability, identified as CVE-2026-22693, affects the HarfBuzz implementation in Fedora 42 and 43. Backport patches have been released to address this issue, with Fedora 42 receiving its update on January 17, 2026, and Fedora 43 on January 14, 2026.
Public Exploits
Checking GitHub for proof-of-concept code…