CVE-2026-55199

libssh2 through 1.11.1, fixed in commit 1762685, contains a pre-authentication denial of service vulnerability in the SSHMSGEXTINFO handler in src/packet.c that allows a malicious SSH server to cause a client CPU exhaustion loop by sending a crafted extension count value. A malicious server can s...

CVE-2026-50258

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. The X server has multiple stack buffers sized XkbMaxShiftLevel XkbNumKbdGroups but CheckKeyTypes does not verify or clamp non-canonical key types to XkbMaxShiftLevel. A client can change key types to excessive shift...

openSUSE 16 Security Update : xwayland (openSUSE-SU-2025-20099-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2025-20099-1 advisory. - CVE-2025-62229: Fixed use-after-free in XPresentNotify structures creation bsc1251958. - CVE-2025-62230: Fixed use-after-free in Xkb client...

Updated x11-server, x11-server-xwayland & tigervnc packages fix security vulnerabilities

Use-after-free in XPresentNotify structures creation. CVE-2025-62229 Use-after-free in Xkb client resource removal. CVE-2025-62230 Value overflow in Xkb extension XkbSetCompatMap. CVE-2025-62231...

PHP FTP Extension List Parsing Heap Overflow Vulnerability

PHP is a general-purpose web programming language. PHP FTP extension heap overflow vulnerability when parsing a list of files allows remote attackers to build special FTP servers that can trigger an overflow when parsed by an application to execute arbitrary code...

DEBIAN-CVE-2006-6101

Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of glyph management data...