fetchmail: fetchmail: stack-based buffer overflow in NTLM authentication (fetchmail-SA-2026-01)

A stack-based buffer overflow flaw was found in fetchmail when built with NTLM support. A malicious or compromised mail server advertising NTLM authentication can send a crafted Type 2 challenge that causes fetchmail to write past a fixed stack buffer while building the NTLM authenticate response...

Moderate: Red Hat Security Advisory: fetchmail security update

An update for fetchmail 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...

Security Bulletin: Vulnerabilities in xorg-x11-server, mod_http2, httpd, openssl, openssl-fips-provider, glibc, libxml2, kernel, sssd, krb5, expat, rsyslog, apr-util libraries affect Power HMC.

Summary The xorg-x11-server, modhttp2,httpd, openssl, openssl-fips-provider, glibc, libxml2, kernel, sssd, krb5, expat, rsyslog, apr-util libraries are used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. The applicable CVEs are as follows: CVE-2026-33999,...

Security update for cyrus-sasl

This update for cyrus-sasl fixes the following issue: CVE-2026-107161: Heap buffer overflow in cyrus-sasl addtochallenge allows malicious server to crash or compromise DIGEST-MD5 clients bsc1284687. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like...

Security update for xwayland

This update for xwayland fixes the following issues: CVE-2026-88812: XKB SetGeometry TextDoodad Double Free bsc1281213. CVE-2026-93515: X.Org Server Present Extension Use-After-Free bsc1281218. CVE-2026-93516: X.Org Server XInput Passive Grab Use-After-Free bsc1281220. CVE-2026-93517: GLX...

Important: Red Hat Security Advisory: xorg-x11-server-Xwayland security update

An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

xorg-x11-server: xorg-x11-server: arbitrary code execution via GLX RenderLarge heap-based buffer overflow

A flaw was found in xorg-x11-server. The GLX OpenGL Extension to the X Window System interface fails to verify that incoming data sizes do not exceed allocated buffer limits when handling large rendering requests. An authenticated local client can exploit this vulnerability by sending a specially...

xorg-x11-server: xorg-x11-server: arbitrary code execution via integer truncation during keyboard mapping resize

A flaw was found in xorg-x11-server. Due to an integer truncation issue during memory allocation calculations within the X Keyboard Extension XKB, the server allocates an undersized buffer when resizing key types. An authenticated local client can exploit this vulnerability by sending specially...

xorg-x11-server: xorg-x11-server: Arbitrary code execution via buffer overflow in input_constrain_cursor()

A flaw was found in xorg-x11-server. The server writes pointer barrier events into a fixed-size buffer without properly validating boundaries. An authenticated client can trigger this issue by configuring excessive pointer barriers and generating cursor motion events, causing a buffer overflow...

xorg-x11-server: xorg-x11-server: arbitrary code execution via out-of-bounds write in XKB keycode handling

A flaw was found in xorg-x11-server. In the X Keyboard Extension XKB, key name memory is allocated with an insufficient buffer size compared to the maximum supported range. An authenticated local client can exploit this flaw by sending requests that modify the keycode range, triggering a heap-bas...

CVE-2026-112062

A flaw was found in lwIP. An adjacent attacker on the local network can cause a Denial of Service DoS by sending specially crafted multicast Domain Name System mDNS responses with invalid domain names or record lengths. Processing these malformed packets during a service search triggers a...

CVE-2026-112063

A flaw was found in libstrophe. A malicious XMPP Extensible Messaging and Presence Protocol server can exploit a stack-based buffer overflow in the SCRAM Salted Challenge Response Authentication Mechanism authentication handler by sending an oversized salt value. This issue allows an attacker to...

CVE-2026-112059

A flaw was found in liblas. By convincing a user to process a specially crafted LAS file containing an oversized schema record, an attacker can trigger an integer truncation issue during memory allocation. This flaw leads to a heap-based buffer overflow, causing an application crash or memory...

CVE-2026-95117

A flaw was found in jsmn. A remote attacker can exploit a buffer overflow by providing specially crafted JSON input to the parser. Successful exploitation causes the application to crash, resulting in a Denial of Service DoS...

gvfs: SFTP: heap-based buffer overflow in read_reply()

A flaw was found in the SFTP backend in gvfs. When mounting a share and reading a file, a malicious SFTP server can cause readreply to process a length that exceeds the size requested by the client. The function does not verify the server-provided length against the allocated buffer size, causing...

Important: Red Hat Security Advisory: gvfs security update

An update for gvfs is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2026-113744

A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow. The...

EUVD-2026-107031

A security vulnerability has been detected in Tenda AC19 16.03.10.07. The impacted element is the function formSetFirewallCfg of the file /goform/SetFirewallCfg of the component httpd Web Management Service. Such manipulation of the argument firewallEn leads to stack-based buffer overflow. The...

CVE-2026-98830

A flaw was found in the Linux kernel's Silicon Labs WFx Wi-Fi driver. The driver fails to validate the length of firmware responses during Management Information Base MIB queries before copying the data into memory buffers. A compromised or malicious wireless device could supply an oversized...

DEBIAN-CVE-2026-114045

FreeRDP before 3.32.1 contains a heap-based buffer overflow in the server-side rdpsnd channel because an integer wraparound in rdpsndserverselectformat DVIADPCM block-alignment arithmetic bypasses validation. A malicious RDP client can send two SNDCFORMATS PDUs with an nBlockAlign too small for...