CVE-2026-44518 liboqs: XMSS Buffer Overread Bug

liboqs is a C-language cryptographic library that provides implementations of post-quantum cryptography algorithms. Prior to 0.16.0, an out-of-bounds read has been identified in the XMSS and XMSS^MT stateful signature verification code. When the verification function is called with a signature...

OESA-2026-2463 ImageMagick security update

Use ImageMagick to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats over 200 including PNG, JPEG, GIF, HEIC, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images,...

Fedora 43 : perl-Sereal / perl-Sereal-Decoder / perl-Sereal-Encoder (2026-49c4be8260)

The remote Fedora 43 host has packages installed that are affected by a vulnerability as referenced in the FEDORA-2026-49c4be8260 advisory. This update includes a security fix to make sure that COPY tags cannot be used to read past end of the buffer. Tenable has extracted the preceding descriptio...

ImageMagick < 6.9.13-48 / 7.x < 7.1.2-22 Vulnerability

The remote host has a version of ImageMagick installed that is prior to 6.9.13-48 or 7.x prior 7.1.2-22. It is, therefore, affected by a vulnerability. — An invalid connected-components:keep-top value could result in a heap buffer over-read when performing the connected components operation...

AlmaLinux 9 : httpd (ALSA-2026:21391)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:21391 advisory. httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd: modproxyajp: heap-based buffer over-read due ...

SUSE SLES16 Security Update : nginx (SUSE-SU-2026:21832-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:21832-1 advisory. This update for nginx fixes the following issues - CVE-2026-27651: denial of service via undisclosed requests when the...

RLSA-2026:19373 Important: dnsmasq security update

The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server. Security Fixes: dnsmasq: dnsmasq: heap buffer overflow in cache via NAMEESCAPE expansion CVE-2026-2291 dnsmasq: NSEC bitmap parsing infinite loop CVE-2026-4890...

Security update for apache2

This update for apache2 fixes the following issues CVE-2026-23918: http2: double free and possible RCE on early reset bsc1263957. CVE-2026-24072: modrewrite elevation of privileges via apexpr bsc1263935. CVE-2026-28780: heap buffer overflow in modproxyajp via ajpmsgcheckheader bsc1264163...

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory, allowing an attacker to execute arbitrary code.

The vulnerability of Mozilla Firefox, Firefox ESR, and the email client Thunderbird relates to reading data beyond the buffer in memory. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an issue with the snprintf return value in the scsitargetconfigfs function’s tgptgpmembersshow. This...

httpd: mod_proxy_ajp: heap-based buffer over-read due to missing null-termination check

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the server fails to properly check if a string is null-terminated before attempting to read it, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue...

CVE-2026-45843

CVE-2026-45843 affects the Linux kernel’s SLIP/VJ-compressed TCP header handling (slip and slhc_uncompress). The vulnerability stems from decode() and pull16() not enforcing bounds against the packet end, and decode() masking its return value to 0xFFFF, causing potential over-reads when a compres...

The vulnerability of the Squid proxy server, related to reading beyond the buffer in memory, allows attackers to cause a service failure.

The vulnerability of the Squid proxy server is related to reading data beyond the buffer in memory. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

ALSA-2026:21391 Important: httpd security update

The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: modproxyajp: heap-based buffer over-read and memory disclosure in ajpparsedata CVE-2026-34059 httpd: modproxyajp: heap-based buffer over-read due to missing null-termination...

postgresql: PostgreSQL: Information disclosure via buffer over-read in pg_restore_attribute_stats()

A flaw was found in PostgreSQL. This buffer over-read vulnerability in the pgrestoreattributestats function allows a table maintainer to infer memory values. By providing array values of unmatched length, a malicious table maintainer can cause query planning to read past the end of an array,...

CVE-2026-42627

In Arm ArmNN through 2026-03-27, an integer overflow in TensorShape::GetNumElements in armnn/Tensor.cpp allows a crafted TFLite model file to bypass buffer size validation and trigger a heap-based buffer over-read during model optimization. The overflow occurs when multiplying tensor dimensions...

JLSEC-2026-559

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read...

DEBIAN-CVE-2026-48684

FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read in the NetFlow v9 options template parser. In processnetflowv9optionstemplate src/netflowplugin/netflowv9collector.cpp, the scope parsing loop lines 224-229 iterates until scopesoffset reaches the attacker-controlled...

UBUNTU-CVE-2026-48684

FastNetMon Community Edition through 1.2.9 contains an out-of-bounds read in the NetFlow v9 options template parser. In processnetflowv9optionstemplate src/netflowplugin/netflowv9collector.cpp, the scope parsing loop lines 224-229 iterates until scopesoffset reaches the attacker-controlled...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...