CVE-2026-44988 LibVNCClient Tight Gradient decoding allows malicious server-triggered heap/stack OOB writes

LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A malicious VNC serve...

CVE-2026-44988

CVE-2026-44988 concerns LibVNCClient (0.9.15 and earlier) where the Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter and does not reject Wide Tight rectangles. A malicious VNC server can send a FramebufferUpdate rectangle encoded with Tight (NoZlib | Expli...

CVE-2026-44988

LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A malicious VNC serve...

EUVD-2026-32525

LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A malicious VNC serve...

Improper Encoding or Escaping of Output

Overview symfony/symfony is a PHP framework for web applications and a set of reusable PHP components. Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the UrlGenerator due to incorrectly encoding chained dot-segments ../ or ./. The legacy...

Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

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CVE-2026-7790

A flaw was found in ninenines cowlib, specifically within the cowhttpte module's chunked transfer-encoding parser. An unauthenticated remote attacker can exploit this by sending an HTTP/1.1 request containing a Transfer-Encoding: chunked header with an excessively long hexadecimal string in the...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output that allows bypassing of the contenttypedenylist in the denylistedcontenttype? function. An attacker can upload files with MIME types containing unescaped regex metacharacters, including the + in...

PT-2026-44131

Name of the Vulnerable Software and Affected Versions crowdsec versions prior to 1.7.8 Description The AppSec component fails to read the HTTP request body when the Content-Length is not positive. This occurs specifically with HTTP/1.1 requests using Transfer-Encoding: chunked and HTTP/2 requests...

CVE-2026-44972: Improper Encoding or Escaping of Output

GuardDog is a CLI tool to identify malicious PyPI packages. From 2.6.0 to 2.9.0, GuardDog includes attacker-controlled filenames, file locations, messages, and code snippets in its default human-readable output without escaping terminal control characters. A malicious package can therefore inject...

LibVNCServer buffer error vulnerability

LibVNCServer is a cross-platform C language library developed by LibVNC, which supports implementing VNC Virtual Network Computing server or client functions within programs. Versions of LibVNCServer prior to 0.9.15 contained a buffer error vulnerability. This vulnerability stemmed from the Tight...

Botan security vulnerabilities

Botan is a C++ encryption library developed by Jack Lloyd as an individual project. Versions of Botan prior to 3.12.0 contained security vulnerabilities. These vulnerabilities were caused byBER data, which led to reassembly behavior by the parser, potentially resulting in denial-of-service attack...

CVE-2026-36540

Netis AC1200 Router NC21 V4.0.1.4296 is vulnerable to unauthenticated command injection via the /cgi-bin/skkset.cgi endpoint. The password and newpwdconfirm POST parameters are passed directly to the underlying OS shell without sanitization. An attacker can inject arbitrary shell commands by...

PT-2026-43707

Netis AC1200 Router NC21 V4.0.1.4296 is vulnerable to unauthenticated command injection via the /cgi-bin/skk set.cgi endpoint. The password and new pwd confirm POST parameters are passed directly to the underlying OS shell without sanitization. An attacker can inject arbitrary shell commands by...

CVE-2026-36540

Netis AC1200 Router NC21 V4.0.1.4296 is vulnerable to unauthenticated command injection via the /cgi-bin/skkset.cgi endpoint. The password and newpwdconfirm POST parameters are passed directly to the underlying OS shell without sanitization. An attacker can inject arbitrary shell commands by...

CVE-2026-45570: Improper Encoding or Escaping of Output

go-git is an extensible git implementation library written in pure Go. Prior to 5.19.1 and 6.0.0-alpha.4, go-git's SSH transport constructs the remote exec command by wrapping the repository path in single quotes without escaping single quotes embedded inside the path. A repository path containin...

PT-2026-44004

Name of the Vulnerable Software and Affected Versions LibVNCClient versions prior to 0.9.16 Description The Tight encoding decoder in LibVNCClient uses fixed-size 2048-pixel scratch buffers for the Gradient filter but fails to reject Tight rectangles with a width exceeding 2048 pixels. A maliciou...

CVE-2026-44988: Out-of-bounds Write

LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A malicious VNC serve...

lxml_html_clean XSS

The vulnerability of the hassneakyjavascript function in the lxmlhtmlclean library, written in the Python programming language, is related to incorrect encoding or escaping of output data. Exploiting this vulnerability allows a malicious actor to perform cross-site scripting XSS attacks remotely...

lxml_html_clean XSS

The vulnerability of the lxmlhtmlclean library in the Python programming language is related to incorrect encoding or escaping of output data. Exploiting this vulnerability allows an attacker to perform cross-site scripting XSS attacks or phishing attacks, or to modify the user interface...