Security update for rrdtool

This update for rrdtool fixes the following issue: CVE-2026-43958: stack buffer overflow in rrdcached handlerequestcreate can lead to local privilege escalation via unbounded DS/RRA arguments bsc1267243. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods...

netty-handler: Netty: Denial of Service due to eager buffer allocation in TLS handshake

A flaw was found in Netty, a network application framework. A remote attacker can exploit this vulnerability by sending a crafted TLS Transport Layer Security ClientHello message. This can lead to an eager allocation of a large memory buffer, causing a Denial of Service DoS due to excessive memor...

Important: Red Hat Security Advisory: libtiff security, bug fix, and enhancement update

An update for libtiff is now available for Red Hat Enterprise Linux 10.0 Extended Update 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 fo...

RLSA-2026:47184 Important: libtiff security update

The libtiff packages contain a library of functions for manipulating Tagged Image File Format TIFF files. Security Fixes: libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image CVE-2026-12912 For more details about the security issues, including the impact, a CVSS...

gawk: Gawk: Buffer overflow in ftype() routine may lead to code execution or denial of service

A flaw was found in gawk. A buffer overflow vulnerability exists in the ftype routine, located in the extension/readdir.c program file. This vulnerability could allow an attacker to crash the program, resulting in a denial of service. It may also potentially lead to arbitrary code execution, thou...

xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow

A flaw was found in the glamorfontget function of the xorg-x11-server. This vulnerability, a heap buffer overflow, occurs when the server processes a specially crafted PCF font file where individual glyph metrics exceed the declared maximum bounds. An authenticated X client can exploit this by...

libXfont2: PCF Font Parsing Heap Buffer Overflow

A flaw was found in libXfont2. A specially crafted PCF Portable Compiled Format font file, when processed by libXfont2, can lead to a buffer overflow. This occurs because the font parsing process does not properly validate the size of a bitmap buffer against the glyph metrics provided in the...

gstreamer: gstreamer: DTLS certificate Subject DN stack buffer overflow in openssl_verify_callback

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

CVE-2026-6694

A flaw was found in GIMP's file-png plugin. A remote attacker can exploit this by crafting a malicious Animated Portable Network Graphics APNG image containing an oversized tRNS chunk. This can lead to a stack-based buffer overflow CWE-121, causing the file-png plugin to crash and resulting in a...

EUVD-2026-52167

A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENTLENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component...

CVE-2026-18588

A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENTLENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component...

CVE-2026-18588 Wavlink WL-NU516U1 nas.cgi fgets stack-based overflow

A vulnerability has been found in Wavlink WL-NU516U1 708c073-mt7628. This affects the function fgets of the file nas.cgi. The manipulation of the argument CONTENTLENGTH leads to stack-based buffer overflow. Remote exploitation of the attack is possible. You should upgrade the affected component...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

Important: Red Hat Security Advisory: postgresql security update

An update for postgresql 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...

CVE-2026-12852

In Bouncy Castle for Java before 1.85, MLS wire decoder allocates attacker-declared opaque length before bounds check...

CVE-2026-6694

CVE-2026-6694 affects GIMP’s file-png plugin. A crafted APNG with an oversized tRNS chunk may trigger a stack-based buffer overflow (CWE-121), causing the plugin to crash and resulting in a Denial of Service. The available documents specify the vulnerability and impact but do not provide remediat...

Memory Allocation with Excessive Size Value

Overview org.bouncycastle:bcprov-jdk15on is a Java implementation of cryptographic algorithms. Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the BcKeyStoreSpi.engineLoad method, which sizes buffers for the certificate chain array, encoded...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the processRecord method of DTLSReliableHandshake, where the DTLSReassembler constructor allocates a bytelength buffer directly from the 24-bit handshake length field without checking it...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value in the processRecord method of DTLSReliableHandshake, where the DTLSReassembler constructor allocates a bytelength buffer directly from the 24-bit handshake length field without checking it...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...