CVE-2026-30923 libModSecurity3 denial of service via segfault when using t:hexDecode on single-character query strings

ModSecurity is an open source, cross platform web application firewall WAF engine for Apache, IIS and Nginx. Libmodsecurity is one component of the ModSecurity v3 project. A segmentation fault occurs when a rule using the t:hexDecode transformation inspects a query string parameter containing a...

EUVD-2026-25590

Axios: Null Byte Injection via Reverse-Encoding in AxiosURLSearchParams...

UBUNTU-CVE-2026-43861

mutt before 2.3.2 does not check for '\0' in urlpctdecode...

CVE-2026-43861

mutt before 2.3.2 does not check for '\0' in urlpctdecode...

CVE-2026-43861

mutt before 2.3.2 does not check for '\0' in urlpctdecode...

DNS Spider Multithreaded Bruteforcer 1.5

DNS Spider is a multi-threaded bruteforcer of subdomains that leverages a wordlist and/or character permutation...

curl: wcurl treats some URL operands after -- as curl options

I found that wcurl does not always keep operands after -- in a pure URL-data context. The documented way to pass curl options through wcurl is --curl-options, but a value supplied as a URL operand can still reach the final curl command as an option, for example wcurl -- "--url=file:///...". A...

OpenSSH: OpenSSH: Arbitrary command execution via shell metacharacters in username

A flaw was found in OpenSSH. This vulnerability allows a remote attacker to achieve arbitrary command execution by injecting shell metacharacters into a username provided on the command line. Exploitation requires an untrusted username and a non-default configuration of the '%' character in...

SUSE CVE-2026-41526

In KDE KCoreAddons before 6.25, KShell::quoteArgs is intended to safely quote arguments so that they can be passed to a shell command. This parsing does not adequately handle metacharacters, leading to an escape from the shell. All applications relying on this method in a security-critical path t...

Amazon Linux 2 : glibc, --advisory ALAS2-2026-3272 (ALAS-2026-3272)

The version of glibc installed on the remote host is prior to 2.26-64. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3272 advisory. The iconv function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from t...

Amazon Linux 2023 : compat-libpthread-nonshared, glibc, glibc-all-langpacks (ALAS2023-2026-1622)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1622 advisory. The iconv function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when converting inputs from the IBM1390 or IBM1399 character sets, which may be used to remotely...

Netfoil has incorrect allowlist enforcement

Summary Rules could be bypassed by changing the first character: example.com could be be bypassed by e.g. fxample.com. Details Off-by-one error in the suffixtrie implementation. Impact The domain filter could be bypassed. Please note that DNS filtering alone is not enough to block malicious traff...

CVE-2026-35379

A flaw was found in the tr utility of uutils coreutils. A logic error causes the program to incorrectly define the :graph: and :print: character classes, reversing their standard behavior. This vulnerability can lead to unintended data modification or loss when the utility is used in automated...

PT-2026-38568

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description The Dial and LookupPort functions panic on Windows when they receive an input containing a NUL 0 character. A panic is a runtime error that causes the program to...

CVE-2026-41526

A flaw was found in KDE KCoreAddons. The KShell::quoteArgs function, intended to safely quote arguments for shell commands, does not properly handle special characters. This vulnerability allows an attacker to inject control characters, such as \x01, leading to an escape from the shell...

ALSA-2026:10950 Important: python3.12 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

OESA-2026-2033 glibc security update

The GNU C Library project provides the core libraries for the GNU system and GNU/Linux systems, as well as many other systems that use Linux as the kernel. These libraries provide critical APIs including ISO C11, POSIX.1-2008, BSD, OS-specific APIs and more. These APIs include such foundational...

SUSE CVE-2026-31606

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fhid: don't call cdevinit while cdev in use When calling unbind, then bind again, cdevinit reinitialized the cdev, even though there may still be references to it. That's the case when the /dev/hidg device is still...

CVE-2026-35380

A logic error in the cut utility of uutils coreutils causes the program to incorrectly interpret the literal two-byte string '' two single quotes as an empty delimiter. The implementation mistakenly maps this string to the NUL character for both the -d delimiter and --output-delimiter options. Th...

CVE-2026-42040

Axios is a promise based HTTP client for the browser and Node.js. Prior to 1.15.1 and 0.31.1, the encode function in lib/helpers/AxiosURLSearchParams.js contains a character mapping charMap at line 21 that reverses the safe percent-encoding of null bytes. After encodeURIComponent'\x00' correctly...