A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14 through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs. When such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer. The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of process memory.

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1793733350 advisory.

  - A time-of-check to time-of-use (TOCTOU) race condition in the dynamic loader (ld.so) of the GNU C Library     (glibc) versions 2.14 through 2.44 allows a local attacker to escalate privileges. When expanding $ORIGIN     in DT_RPATH for setuid/setgid (AT_SECURE) programs, glibc validates the lexically normalized search path     against the trusted directories but then opens the raw, un-normalized path. On systems where the Linux     fs.protected_hardlinks sysctl is disabled, a local attacker who hard-links such a program into an     attacker-controlled directory and wins a race to replace an intermediate path component with a symbolic     link can direct the loader outside the trusted directory, causing it to load an attacker-controlled shared     object and execute arbitrary code with the elevated privileges of the program. Exploitation requires an     installed setuid or setgid binary whose DT_RPATH uses $ORIGIN followed by .. traversal that normalizes     into a trusted directory, and the ability to hard-link that binary and win the race by swapping a path     component for a symbolic link. Major Linux-based OS distributions ship with fs.protected_hardlinks enabled     by default and mitigate the vulnerability. (CVE-2026-86805)

  - A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14     through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs.
    When such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader     both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer.
    The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of     process memory. (CVE-2026-95818)

Note that Nessus has not tested for these issues 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:

  - A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14
    through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs.
    When such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader
    both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer.
    The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of
    process memory. (CVE-2026-95818)

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

  - A stack-based buffer overflow in the dynamic loader (ld.so) of the GNU C Library (glibc) versions 2.14     through 2.44 allows a local attacker to crash or corrupt the memory of setuid/setgid (AT_SECURE) programs.
    When such a program's DT_RPATH or DT_RUNPATH begins with $ORIGIN and is followed by NUL or '/' the loader     both reads past the end of the path buffer and writes past the end of a stack-allocated internal buffer.
    The corrupted loader stack can lead to a loader crash (denial of service) and limited disclosure of     process memory. (CVE-2026-95818)

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

ID	Name	Product	Family	Type	Severity
375677	AlmaLinux 9.2 [TuxCare] Security Update: compat-libpthread-nonshared / glibc / glibc-all-langpacks / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1793733350)	Nessus	Alma Linux Local Security Checks	Local	medium
473596	Chainguard: multiple glibc-2.44 packages, multiple ld-linux-2.44 packages, multiple nscd-2.44 packages, multiple pcprofiledump-2.44 packages, multiple sln-2.44 packages, tzutils-2.44: security update to 2.44-r8	Tenable Cloud Security	Chainguard Local Security Checks	Local	low
473596	Chainguard: multiple glibc-2.44 packages, multiple ld-linux-2.44 packages, multiple nscd-2.44 packages, multiple pcprofiledump-2.44 packages, multiple sln-2.44 packages, tzutils-2.44: security update to 2.44-r8	Tenable Self-Hosted Container Security	Chainguard Local Security Checks	Local	low
463504	Echo: glibc: security update to 2.41-12+deb13u4+e3	Tenable Cloud Security	Echo Local Security Checks	Local	low
463504	Echo: glibc: security update to 2.41-12+deb13u4+e3	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	low
349158	Linux Distros Unpatched Vulnerability : CVE-2026-95818	Nessus	Misc.	Local	low

Detections

Analytics

CVE-2026-95818

low

Tenable Plugins

medium

low

low

low

low

low