CVE-2026-55717 'serve-expired-client-timeout' and 'response-ip' CNAME redirect could lead to a crash

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...

EUVD-2026-47680

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...

CVE-2026-55717

In NLnet Labs Unbound 1.10.0 up to and including 1.25.1, when 'serve-expired: yes' is set together with a 'response-ip: redirect' /'response-ip-data: CNAME ' rule or the RPZ 'rpz-cname-override' equivalent, a remote client who controls any delegated domain can crash the daemon. The...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication

A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password "null". This allows a remote attacker to bypass security controls...

CVE-2026-47709

A flaw was found in libheif, a library for decoding and encoding HEIF High Efficiency Image File Format and AVIF AV1 Image File Format images. A local attacker could provide a specially crafted HEIF image file that, when processed, causes the application to crash due to a null pointer read. This...

CVE-2026-64028

A flaw was found in the Linux kernel's tracing subsystem. The histfieldname function, responsible for handling field names, can return a NULL value if a long variable name in a fully-qualified reference causes snprintf truncation. This unexpected NULL return can lead to a NULL pointer dereference...

CVE-2026-64012

A flaw was found in the Linux kernel's Stochastic Fair Blue SFB queue discipline net/sched: schsfb. This vulnerability occurs when the sfb component, acting as a parent queue, attempts to retrieve a network packet from its child queue using an incorrect dequeue function. This can lead to a null...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference through modRMRequired and decode in arch/X86/X86DisassemblerDecoder.c. An attacker can crash any application using a reduced X86 Capstone build by supplying crafted x86/x86-64 input containing a 3DNow! opcode...

TencentOS Server 3: httpd:2.4 (TSSA-2026:0732)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0732 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

PT-2026-63544

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.136.Final Netty versions prior to 4.2.16.Final Description An issue exists in the OcspServerCertificateValidator where out-of-date OCSP Online Certificate Status Protocol responses are flagged but not stopped from...

ROS-20260722-73-0004

The vulnerability of the gflistget function in the MP4Box multimedia platform of GPAC, related to the handling of specially crafted MP4 files involving NULL pointer dereferencing, allows a malicious actor to cause service failures...

ROS-20260722-73-0002

The vulnerability of the nhmldmxsendsample function in the MP4Box multimedia platform’s utility library, related to the assignment of the null pointer during data reading fread, allows a malicious actor to cause service interruptions...

AlmaLinux 8 : httpd:2.4 (ALSA-2026:42828)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42828 advisory. httpd: incomplete fix for CVE-2023-38709 CVE-2024-42516 httpd: NULL pointer dereference via specially crafted request CVE-2026-29169 httpd: Apache HTTP...

MiracleLinux 9 : php:8.2 (AXSA:2026-1328:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1328:01 advisory. PHP: PHP: Denial of Service via improper handling of signed characters in ctype functions CVE-2026-7258 PHP: PHP-FPM: PHP-FPM: Cross-Site Scripting...

SUSE SLED15: ffmpeg / libavcodec-devel / libavcodec57 / libavdevice57 / etc (SUSE-SU-2026:3149-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:3149-1 advisory. This update for ffmpeg fixes the following issue - CVE-2025-10256: NULL pointer dereference in Firequalizer filter...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the heifimagehandlegetimagetiling function when processing a malformed uncompressed HEIF image item that has an associated uncC property but lacks an associated ispe property. An attacker can cause a crash by...

Incorrect Authorization

Overview io.netty:netty-codec-http is a network application framework for rapid development of maintainable high performance protocol servers & clients. Affected versions of this package are vulnerable to Incorrect Authorization in the CorsHandler. An attacker can gain unauthorized access to...

CVE-2026-63991

A flaw was found in the Linux kernel's Bluetooth 6lowpan module. This vulnerability occurs because the sendmcastpkt function does not properly check the return value of skbclone, which can be null if memory allocation fails. An attacker could exploit this by triggering a scenario where skbclone...

CVE-2026-63979

A flaw was found in the Linux kernel's net/handshake component. A race condition exists where a network handshake request can be removed and its associated file reference released concurrently while the accept-side code attempts to access it. This can lead to the system attempting to read from...