CVE-2026-4437

CVE-2026-4437 concerns glibc’s DNS response parsing. According to the initial document, calling gethostbyaddr/gethostbyaddr_r with a configured nsswitch.conf DNS backend in GNU C Library versions 2.34–2.43 can yield a crafted DNS response that violates the DNS specification, causing the applicati...

CVE-2026-4437

Calling gethostbyaddr or gethostbyaddrr with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C Library version 2.34 to version 2.43 could, with a crafted response from the configured DNS server, result in a violation of the DNS specification that causes the...

AlmaLinux 8 : glibc (ALSA-2026:4772)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:4772 advisory. glibc: glibc: Information disclosure via zero-valued network query CVE-2026-0915 glibc: wordexp with WRDEREUSE and WRDEAPPEND may return uninitialized...

Oracle Linux 8 : glibc (ELSA-2026-4772)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-4772 advisory. - CVE-2025-15281: wordexp WRDEREUSE uninitialized memory read RHEL-142787 - CVE-2026-0915: Stack memory disclosure in getnetbyaddr RHEL-141849 -...

RHSA-2026:4772 Red Hat Security Advisory: glibc security update

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Moderate: Red Hat Security Advisory: glibc security update

An update for glibc is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

glibc: wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

A flaw was found in glibc. When the wordexp function is called with the flags WRDEREUSE and WRDEAPPEND, it may return uninitialized memory. If the caller inspects the wewordv array or calls the wordfree function to free the allocated memory, the process will abort, resulting in a denial of servic...

RHEL 8 : glibc (RHSA-2026:4772)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:4772 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

EulerOS Virtualization 2.12.0 : glibc (EulerOS-SA-2026-1483)

According to the versions of the glibc packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Passing too large an alignment to the memalign suite of functions memalign, posixmemalign, alignedalloc in the GNU C Library version...

ALSA-2026:4772 Moderate: glibc security update

The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name service cache daemon nscd used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Security Fixes: glibc:...

EulerOS 2.0 SP12 : glibc (EulerOS-SA-2026-1391)

According to the versions of the glibc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Passing too large an alignment to the memalign suite of functions memalign, posixmemalign, alignedalloc in the GNU C Library version 2.30 to 2.42 m...

Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2026-1360)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2026-1426)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE: Security Advisory (SUSE-SU-2026:0896-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP12 : glibc (EulerOS-SA-2026-1360)

According to the versions of the glibc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Passing too large an alignment to the memalign suite of functions memalign, posixmemalign, alignedalloc in the GNU C Library version 2.30 to 2.42 m...

Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2026-1483)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Huawei EulerOS: Security Advisory for glibc (EulerOS-SA-2026-1391)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

SUSE SLES15 Security Update : glibc (SUSE-SU-2026:0896-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0896-1 advisory. - CVE-2026-0861: memalign: reinstate alignment overflow check bsc1256766 - CVE-2026-0915: resolv: Fix NSS DNS backend for...

Security update for glibc

This update for glibc fixes the following issues: CVE-2026-0861: memalign: reinstate alignment overflow check bsc1256766 CVE-2026-0915: resolv: Fix NSS DNS backend for getnetbyaddr bsc1256822 CVE-2025-15281: posix: Reset wordexpt fields with WRDEREUSE bsc1257005 CVE-2025-8058: posix: Fix...

CVE-2026-3904

A flaw was found in glibc. When calling NSS-backed functions that support caching via nscd, the nscd client under high load on x8664 systems may call the memcmp function on inputs that are concurrently modified by other processes or threads, causing a crash and resulting in a denial of service...