CVE-2026-34743

XZ Utils contains a vulnerability (CVE-2026-34743) in lzma_index_append() when decoding an empty index with lzma_index_decoder(), which could leave the index in a state that permits a buffer overflow. The issue affects versions prior to 5.8.3; a patch is available in 5.8.3. Affected component is ...

Heap-based Buffer Overflow

Overview Affected versions of this package are vulnerable to Heap-based Buffer Overflow in the lzmaindexdecoder function when processing an empty index, followed by a call to lzmaindexappend. An attacker can cause a buffer overflow and disrupt service availability by providing a specially crafted...

CVE-2026-34743

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743 XZ Utils: Buffer overflow in lzma_index_append()

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

CVE-2026-34743 XZ Utils: Buffer overflow in lzma_index_append()

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

EUVD-2026-18505

XZ Utils provide a general-purpose data-compression library plus command-line tools. Prior to version 5.8.3, if lzmaindexdecoder was used to decode an Index that contained no Records, the resulting lzmaindex was left in a state where where a subsequent lzmaindexappend would allocate too little...

mariadb: MariaDB Server Crash Due to Empty Backtrace Log

A flaw was found in MariaDB Server. This vulnerability may allow an attacker to cause a crash via an issue related to makeaggrtablesinfo and optimizestage2, resulting in an empty backtrace log...

PraisonAI Has Authentication Bypass via OAuthManager.validate_token()

Summary OAuthManager.validatetoken returns True for any token not found in its internal store, which is empty by default. Any HTTP request to the MCP server with an arbitrary Bearer token is treated as authenticated, granting full access to all registered tools and agent capabilities. Details...

CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

PYSEC-2026-2152

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

PYSEC-2026-2152

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

DEBIAN-CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

UBUNTU-CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531 Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531 Flask-HTTPAuth invokes token verification callback when missing or empty token was given by client

Flask-HTTPAuth provides Basic, Digest and Token HTTP authentication for Flask routes. Prior to version 4.8.1, in a situation where the client makes a request to a token protected resource without passing a token, or passing an empty token, Flask-HTTPAuth would invoke the application's token...

CVE-2026-34531

CVE-2026-34531 affects Flask-HTTPAuth (Python package) and concerns the token verification callback receiving an empty string when a request targets a token-protected resource without a token or with an empty token. This could allow authentication against any user whose token is an empty string. ...

SUSE-SU-2026:20989-1 Security update for kea

This update for kea fixes the following issues: Update to 3.0.3: - CVE-2025-11232: invalid characters cause assert bsc1252863. - CVE-2026-3608: stack overflow via maliciously crafted message bsc1260380. Changelog: A large number of bracket pairs in a JSON payload directed to any endpoint would...