CVE-2026-118767

A flaw was found in Botan. Its Python bindings fail to properly reject embedded null characters when converting strings, causing bcrypt password hashing functions to truncate the input at the null byte. A remote attacker can exploit this flaw to bypass password length and complexity policies, as ...

Astra Linux – Vulnerability in Redis

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious user could use scripting commands to inject arbitrary information into the response stream for a given client, potentially corrupting or returning tampered data to other users on the same...

CVE-2026-105240

Improper Neutralization of Null Byte or NUL Character vulnerability in the OutputDebugStringAppender of Apache log4net. A NUL character in logged content ended the debug output record at that point, so everything the layout rendered after it, including exception text and trailing fields, was...

CVE-2026-105240: Improper Neutralization of Null Byte or NUL Character

Improper Neutralization of Null Byte or NUL Character vulnerability in the OutputDebugStringAppender of Apache log4net. A NUL character in logged content ended the debug output record at that point, so everything the layout rendered after it, including exception text and trailing fields, was...

Rocky Linux 9 [CIQ] Security Update: apcu-panel / php / php-bcmath / php-bcmath-debuginfo / php-cli / etc Multiple Vulnerabilities (crlsa-2025_23309)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523309 advisory. php: pgsql extension does not check for errors during escaping CVE-2025-1735 php: NULL Pointer Dereference in PHP SOAP Extension via Large XML Namespace...

AlmaLinux 9.6 [TuxCare] Security Update: php / php-bcmath / php-cli / php-common / php-dba / php-dbg / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1768411712)

The AlmaLinux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768411712 advisory. - In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 some functions like fsockopen lack...

Rocky Linux 8 [CIQ] Security Update: openssh / openssh-askpass / openssh-askpass-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_23481)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202523481 advisory. openssh: OpenSSH: Control characters in usernames can lead to code execution via ProxyCommand CVE-2025-61984 openssh: OpenSSH: Null character in ssh:// UR...

CentOS Linux 7 [TuxCare] Security Update: php / php-bcmath / php-cli / php-common / php-dba / php-devel / etc (CENTOS7:CLSA-2025:1753780622)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1753780622 advisory. - In PHP versions:8.1. before 8.1.33, 8.2. before 8.2.29, 8.3. before 8.3.23, 8.4. before 8.4.10 some functions like fsockopen lack validation th...

Astra Linux – Vulnerability in Firefox and Thunderbird

When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could lead to reflected file download attacks that potentially trick users into installing malware. This vulnerability affects Firefox 112, Focu...

Astra Linux – Vulnerability in protobuf

Dereferencing a null pointer when a null char is present in a prototype symbol. The symbol is parsed incorrectly, resulting in an unchecked call into the name of the prototype file during the generation of the resulting error message. Since the symbol is incorrectly parsed, the file value is...

Gimp fread_pascal_string Heap Buffer Overflow DoS

The vulnerability of the freadpascalstring function in the plug-ins/file-psd/psd-util.c file of the Gimp image processing library is related to errors that occur when a string or array is terminated with the null character. Exploiting this vulnerability could allow an attacker to cause service...

swift-nio-http2: Missing CR/LF/NUL validation in header values

Summary SwiftNIO HTTP/2 was missing validation on inbound HEADERS frames that let CR, LF, NUL, SP and other control characters reach an HTTP/1.1 backend through NIOHTTP2's HTTP/2-to-HTTP/1 codec, enabling HTTP request smuggling or response splitting. Impact Two related gaps in inbound header...

PT-2026-64153

Name of the Vulnerable Software and Affected Versions swift-nio-http2 versions prior to 1.45.0 Description SwiftNIO HTTP/2 lacks validation for inbound HEADERS frames, allowing control characters such as CR, LF, NUL, and SP to reach an HTTP/1.1 backend via the HTTP/2-to-HTTP/1 codec. This can lea...

EulerOS 2.0 SP10 : gnutls (EulerOS-SA-2026-2690)

According to the versions of the gnutls packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in gnutls. A remote attacker could exploit an issue in the Datagram Transport Layer Security DTLS packet reordering logic. The...

SUSE-SU-2026:2822-1 Security update for gnutls

This update for gnutls fixes the following issues - CVE-2025-14831: excessive resource consumption when verifying specially crafted malicious certificates containing a large number of name constraints and SANs bsc1257960. - CVE-2026-3833: incorrectly accepted domain names due to comparison during...

python-ldap is Vulnerable to Improper Encoding or Escaping of Output and Improper Null Termination

Summaryldap.dn.escapednchars escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP serv...

PYSEC-2026-1846 python-ldap is Vulnerable to Improper Encoding or Escaping of Output and Improper Null Termination

Summary ldap.dn.escapednchars escapes \x00 incorrectly by emitting a backslash followed by a literal NUL byte instead of the RFC-4514 hex form \00. Any application that uses this helper to construct DNs from untrusted input can be made to consistently fail before a request is sent to the LDAP...

PYSEC-2026-687 Nicotine+ DoS on Null Character in Download Request

Denial of service DoS vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character...

Nicotine+ DoS on Null Character in Download Request

Denial of service DoS vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows a user with a modified Soulseek client to crash Nicotine+ by sending a file download request with a file path containing a null character...

gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...