An issue in htop-dev htop v.2.20 allows a local attacker to cause an out-of-bounds access in the Header_populateFromSettings function.

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:21585-1 advisory.

    Changes in htop:

    - Update to version 3.5.3:
      * Improve the htoprc settings parser to avoid segfaults on         tampered configuration files (sanitised sort keys, validated         configuration invariants, NULL safety for header columns and         screens)
      * Add zswap pool usage meters
      * Fix out-of-bounds access when parsing the power supply type         (Linux)
      * Mark a CPU offline when it is unplugged from the middle and         release its data on hot-unplug (Linux)
      * Fix a Clang MemorySanitizer-reported issue
      * Exit follow mode when a search or filter is cancelled
      * Fix blank STARTTIME and wrong ELAPSED for threads (Darwin)
      * Use strchr instead of strstr in XUtils
      * Document the CPU meter segments in the man page and add an         External Libraries section covering libnl-3/libnl-genl-3
    - CVE-2024-37676: out-of-bounds access in       Header_populateFromSettings reachable from a tampered htoprc;
      the settings parser hardening above is what upstream lists as       covering it. openSUSE is assessed not affected (boo#1226729)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - An issue in htop-dev htop v.2.20 allows a local attacker to cause an out-of-bounds access in the
    Header_populateFromSettings function. (CVE-2024-37676)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - An issue in htop-dev htop v.2.20 allows a local attacker to cause an out-of-bounds access in the     Header_populateFromSettings function. (CVE-2024-37676)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
337991	openSUSE 16 Security Update : htop (openSUSE-SU-2026:21585-1)	Nessus	SuSE Local Security Checks	Local	high
446046	Alpine: htop: security update to 3.4.1-r2	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
446046	Alpine: htop: security update to 3.4.1-r2	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
446045	Alpine: htop: security update to 3.4.1-r1	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
446045	Alpine: htop: security update to 3.4.1-r1	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
445998	Alpine: htop: security update to 3.5.3-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	Local	high
445998	Alpine: htop: security update to 3.5.3-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	Local	high
261979	Linux Distros Unpatched Vulnerability : CVE-2024-37676	Nessus	Misc.	Local	high

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CVE-2024-37676

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