glibc: glibc: Application crash or uninitialized memory read via crafted DNS response

A flaw was found in glibc GNU C Library. The deprecated functions nsprintrrf, nsprintrr, and fpnquery do not properly validate the length of RDATA Resource Record Data in a DNS Domain Name System response when processing specific record types like LOC, CERT, TKEY, or TSIG. A remote attacker could...

glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings

A flaw was found in glibc GNU C Library. When the ungetwc function is called on a file stream using wide characters with specific overlapping single-byte and multi-byte encodings, it may attempt to read data outside of its allocated buffer. This can lead to the unintentional disclosure of sensiti...

glibc security update

2.34-274.0.1 - Forward-port Oracle patches for ol9-u8 Reviewed-by: Jose E. Marchesi Reviewed-by: David Faust Oracle history: June-30-2026 Cupertino Miranda - 2.34-272.0.1 - Forward-port Oracle patches for ol9-u8 Reviewed-by: Jose E. Marchesi Reviewed-by: David Faust June-5-2026 Cupertino Miranda ...

RockyLinux 8 : glibc (RLSA-2026:42733)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42733 advisory. glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings CVE-2026-5928 glibc: glibc:...

RHEL 9 : glibc (RHSA-2026:42952)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42952 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

Photon OS 5.0: Glibc PHSA-2026-5.0-0855

An update of the glibc package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-0855. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

AlmaLinux 8 : glibc (ALSA-2026:42733)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42733 advisory. glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings CVE-2026-5928 glibc: glibc:...

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: glibc: Application crash or uninitialized memory read via crafted DNS response

A flaw was found in glibc GNU C Library. The deprecated functions nsprintrrf, nsprintrr, and fpnquery do not properly validate the length of RDATA Resource Record Data in a DNS Domain Name System response when processing specific record types like LOC, CERT, TKEY, or TSIG. A remote attacker could...

RHEL 8 : glibc (RHSA-2026:42733)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42733 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

RHEL 10 : glibc (RHSA-2026:42694)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:42694 advisory. The glibc packages provide the standard C libraries libc, POSIX thread libraries libpthread, standard math libraries libm, and the name...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.6)

The version of AOS installed on the remote host is prior to 7.6. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.6 advisory. - NLnet Labs Unbound 1.19.1 up to and including version 1.25.0 has a vulnerability in the DNSSEC validator that enables denial of...

ALSA-2026:42952 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:...

Oracle Linux 10 : glibc (ELSA-2026-20594)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-20594 advisory. - CVE-2026-5450: Fix buffer overflow in scanf RHEL-172694 - CVE-2026-4046: Fix assertion failure in IBM1390 and IBM1399 iconv modules RHEL-162885 Tenable has...

ALSA-2026:42694 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:...

TencentOS Server 3: glibc (TSSA-2026:0634)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0634 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

Oracle Linux 10 : glibc (ELSA-2026-33092)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-33092 advisory. - CVE-2026-5450: Fix buffer overflow in scanf RHEL-172694 - CVE-2026-4046: Fix assertion failure in IBM1390 and IBM1399 iconv modules RHEL-162885 Tenable has...

glibc security update

2.39-126.0.1 - Forward port Oracle changes to 2.39-126. - Reviewed-by: Jose E. Marchesi Oracle history: Jul-15-2026 Cupertino Miranda - 2.39-124.0.1 - Forward port Oracle changes to 2.39-124. - Reviewed-by: Jose E. Marchesi May-19-2026 Cupertino Miranda - 2.39-121.0.1 - Forward port Oracle change...

OpenSSL HollowByte Flaw Could Freeze Server Memory with 11-Byte TLS Requests

Eleven bytes will make an unpatched OpenSSL server set aside up to 131 KB of memory for a message that never arrives. On the glibc systems Okta tested, that memory is gone until the process restarts. OpenSSL shipped the HollowByte fix in June with no CVE, no advisory, and no changelog entry...

SUSE SLES15: glibc / glibc-32bit / glibc-devel / glibc-devel-32bit / etc (SUSE-SU-2026:3029-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3029-1 advisory. This update for glibc fixes the following issues - CVE-2026-5435: unchecked buffer writing in TSIG handling can lead to an...