Live › vulnerability › CVE-2026-58966
Several functions in hppsfilter.c can write past the end of a stack buffer. An attacker with a local account could use this to escalate their privileges.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 20:35 UTC. All times on this page are UTC.
The sources do not name the product or versions that ship hppsfilter.c. Teams should look for it in the systems they run and check which local accounts can reach them. unknown
No product ranges from the sources yet.
Unknown from the sources.
No fix yet, per the sources.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
In multiple functions of hppsfilter.c, there is a possible out-of-bounds write due to a stack buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
This page as .md · .json · in your agent: get_signal("CVE-2026-58966")
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