CVE-2025-68113 ALTCHA Proof-of-Work Vulnerable to Challenge Splicing and Replay

ALTCHA is privacy-first software for captcha and bot protection. A cryptographic semantic binding flaw in ALTCHA libraries allows challenge payload splicing, which may enable replay attacks. The HMAC signature does not unambiguously bind challenge parameters to the nonce, allowing an attacker to...

CVE-2025-68113

CVE-2025-68113 (ALTCHA) describes a cryptographic semantic binding flaw in ALTCHA libraries where the HMAC does not unambiguously bind challenge parameters to the nonce, enabling potential replay of previously solved challenges depending on server-side handling. Affected components include ALTCHA...

Moderate: ruby:3.1 security, bug fix, and enhancement update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. The following packages have been upgraded to a later upstream version: ruby 3.1. AlmaLinux-35449 Security Fixes: ruby: Buffer overread vulnerabili...

Important: Red Hat Security Advisory: rh-python38-python security update

An update for rh-python38-python is now available for Red Hat Software Collections. 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 for each...

ALSA-2022:6854 Moderate: gnutls and nettle security, bug fix, and enhancement update

The gnutls packages provide the GNU Transport Layer Security GnuTLS library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Nettle is a cryptographic library that is designed to fit easily in almost any context: In crypto toolkits for object-oriented languages...

Moderate: Red Hat Security Advisory: rh-mariadb103-mariadb security and bug fix update

An update for rh-mariadb103-mariadb and rh-mariadb103-galera is now available for Red Hat Software Collections. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: postgresql:12 security update

PostgreSQL is an advanced object-relational database management system DBMS. The following packages have been upgraded to a later upstream version: postgresql 12.5. Security Fixes: postgresql: Reconnection can downgrade connection security settings CVE-2020-25694 postgresql: Multiple features...

Moderate: idm:DL1 and idm:client security, bug fix, and enhancement update

AlmaLinux Identity Management IdM is a centralized authentication, identity management, and authorization solution for both traditional and cloud-based enterprise environments. The following packages have been upgraded to a later upstream version: ipa 4.8.7, softhsm 2.6.0, opendnssec 2.1.6...

Moderate: python38:3.8 security, bug fix, and enhancement 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. The following...

ALSA-2020:4628 Low: libreoffice security, bug fix, and enhancement update

LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a spreadsheet, a presentation manager, a formula editor, and a drawing program. LibreOffice replaces OpenOffice and provides a similar but enhanced and...

RHEL 8 : qt5 (RHSA-2020:1665)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:1665 advisory. Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt...

CentOS 7 : keycloak-httpd-client-install (CESA-2019:2137)

An update for keycloak-httpd-client-install is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

RHEL 7 : Red Hat Virtualization (RHSA-2019:2437)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:2437 advisory. The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host,...

Arbitrary Code Execution

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox. Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with...

Symlink Attack

ABRT Automatic Bug Reporting Tool is a tool to help users to detect defects in applications and to create a bug report with all the information needed by a maintainer to fix it. It uses a plug-in system to extend its functionality. It was found that ABRT was vulnerable to multiple race condition...

Denial Of Service (DoS)

The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way the Linux kernel's XFS file system handled replacing of remote attributes under certain conditions. A local user with access to XFS file system mount could potentially use this fla...

Denial Of Service (DoS)

Wireshark, previously known as Ethereal, is a network protocol analyzer. It is used to capture and browse the traffic running on a computer network. Two flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly,...

Denial Of Service (DoS)

Wireshark, previously known as Ethereal, is a network protocol analyzer. It is used to capture and browse the traffic running on a computer network. Two flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly,...

Denial Of Service (DoS)

Wireshark, previously known as Ethereal, is a network protocol analyzer. It is used to capture and browse the traffic running on a computer network. Two flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly,...

Denial Of Service (DoS)

OpenStack Compute nova launches and schedules large networks of virtual machines, creating a redundant and scalable cloud computing platform. Compute provides the software, control panels, and APIs required to orchestrate a cloud, including running virtual machine instances, managing networks, an...