Astra Linux – Vulnerability in grub2

A flaw was discovered in grub2, where the grubextcmddispatcher function calls grubarglistalloc to allocate memory for the grub’s argument list. However, it does not check in case the memory allocation fails. Once the allocation fails, a NULL pointer will be processed by the parseoption function,...

Astra Linux – Vulnerability in Vim

NULL pointer dereferencing in the GitHub repository for Vim/Vim before version 8.2...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drbd: fixed the issue of null-pointer dereference during local read operations. In drbdrequestendio, READCOMPLETEDWITHERROR is passed to reqmod with a NULL peerdevice: c reqmodreq, what, NULL, &m; The handler for...

Astra Linux – Vulnerability in Apache2

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier...

CVE-2026-7701

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

CVE-2026-7701

Telegram Desktop

EUVD-2026-26839

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

CVE-2026-7701

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

CVE-2026-7701 Telegram Desktop Bot API url_auth_box.cpp RequestButton null pointer dereference

A security vulnerability has been detected in Telegram Desktop up to 6.7.5. This vulnerability affects the function RequestButton of the file Telegram/SourceFiles/boxes/urlauthbox.cpp of the component Bot API. The manipulation of the argument loginurl leads to null pointer dereference. It is...

OESA-2026-2191 compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An...

OESA-2026-2190 compat-openssl11 security update

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security TLS and Secure Sockets Layer SSL protocols. Security Fixes: Issue summary: An invalid or NULL pointer dereference can happen in an application processing a malformed PKCS12 file. Impact summary: An...

OESA-2026-2173 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: icmp: fix NULL pointer dereference in icmptagvalidation icmptagvalidation unconditionally dereferences the result of rcudereferenceinetprotosproto without checki...

Telegram Desktop 安全漏洞

Telegram Desktop is the desktop version of Telegram’s open-source instant messaging mobile application. Versions of Telegram Desktop prior to 6.7.5 contained a security vulnerability. This vulnerability stemmed from the function RequestButton in the Bot API component, specifically the handling of...

PT-2026-36705

Name of the Vulnerable Software and Affected Versions Telegram Desktop versions prior to 6.7.6 Description A null pointer dereference a condition where a program attempts to read from a memory address that is null, typically causing a crash can be triggered remotely in the Bot API component. The...

Null-pointer dereference and double-free via safe APIs

Two soundness violations exist in the Rust bindings for MetaCall: Null-pointer dereference: MetaCallFuture::newraw accepts a raw pointer without validation. The Debug impl calls Box::fromrawself.data on it. Passing a null pointer causes the Debug impl to construct a NonNull from null, producing...

RUSTSEC-2026-0139 Null-pointer dereference and double-free via safe APIs

Two soundness violations exist in the Rust bindings for MetaCall: Null-pointer dereference: MetaCallFuture::newraw accepts a raw pointer without validation. The Debug impl calls Box::fromrawself.data on it. Passing a null pointer causes the Debug impl to construct a NonNull from null, producing...

CVE-2026-6525 NULL Pointer Dereference in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4...

CVE-2026-6525 NULL Pointer Dereference in Wireshark

IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4...

CVE-2026-6525

Wireshark CVE-2026-6525 refers to a crash in the IEEE 802.11 protocol dissector affecting Wireshark 4.6.0–4.6.4. The issue is a crash (not a memory-safety description) with a CVSSv3.1 base score of 5.5 (MEDIUM). Exploitation is described as LOCAL with user interaction required and impact limited ...

Exploit for Incorrect Resource Transfer Between Spheres in Linux Linux_Kernel

CVE-2026-31431 AFALG AEAD Local Privilege Escalation Exploi...