CVE-2026-27459

pyOpenSSL is a Python wrapper around the OpenSSL library. Starting in version 22.0.0 and prior to version 26.0.0, if a user provided callback to setcookiegeneratecallback returned a cookie value greater than 256 bytes, pyOpenSSL would overflow an OpenSSL provided buffer. Starting in version 26.0....

EUVD-2026-12631

drlibs version 0.13.3 and earlier contain an uncontrolled memory allocation vulnerability in drflacreadanddecodemetadata that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can exploit attacker-controlled mimeLength and...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the drflacreadanddecodemetadata function. An attacker can cause excessive memory allocation by supplying crafted FLAC streams with maliciously controlled mimeLength and descriptionLength...

Memory Allocation with Excessive Size Value

Overview Affected versions of this package are vulnerable to Memory Allocation with Excessive Size Value via the drflacreadanddecodemetadata function. An attacker can cause excessive memory allocation by supplying crafted FLAC streams with maliciously controlled mimeLength and descriptionLength...

CVE-2026-32836

drlibs drflac.h version 0.13.3 and earlier fixed in commits fefced4, 4f5a4cd, and 663239a contain an uncontrolled memory allocation vulnerability in drflacreadanddecodemetadata that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can...

Tekton Pipelines controller panic via long resolver name in TaskRun/PipelineRun

Summary A user with permission to create or update a TaskRun or PipelineRun can crash the Tekton Pipelines controller by setting .spec.taskRef.resolver or .spec.pipelineRef.resolver to a string of 31 characters or more, causing a denial of service for all reconciliation. Details The controller...

CVE-2026-32836 mackron / dr_libs dr_flac.h Excessive Memory Allocation in PICTURE Metadata Parsing

drlibs drflac.h version 0.13.3 and earlier fixed in commits fefced4, 4f5a4cd, and 663239a contain an uncontrolled memory allocation vulnerability in drflacreadanddecodemetadata that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can...

CVE-2026-32836

drlibs drflac.h version 0.13.3 and earlier fixed in commits fefced4, 4f5a4cd, and 663239a contain an uncontrolled memory allocation vulnerability in drflacreadanddecodemetadata that allows attackers to trigger excessive memory allocation by supplying crafted PICTURE metadata blocks. Attackers can...

Sliver Vulnerable to Authenticated OOM via Memory Exhaustion in mTLS/WireGuard Transports

Summary A Remote OOM Out-of-Memory vulnerability exists in the Sliver C2 server's mTLS and WireGuard C2 transport layer. The socketReadEnvelope and socketWGReadEnvelope functions trust an attacker-controlled 4-byte length prefix to allocate memory, with ServerMaxMessageSize allowing single...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion when decoding ASN.1 data. An attacker can cause the application to crash or exhaust system memory by supplying specially crafted ASN.1 data with deeply nested SEQUENCE or SET tags using indefinite Length markers...

GHSA-JR27-M4P2-RC6R Denial of Service in pyasn1 via Unbounded Recursion

Summary The pyasn1 library is vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing nested SEQUENCE 0x30 or SET 0x31 tags with Indefinite Length 0x80 markers. This...

Denial of Service in pyasn1 via Unbounded Recursion

Summary The pyasn1 library is vulnerable to a Denial of Service DoS attack caused by uncontrolled recursion when decoding ASN.1 data with deeply nested structures. An attacker can supply a crafted payload containing nested SEQUENCE 0x30 or SET 0x31 tags with Indefinite Length 0x80 markers. This...

Next.js: HTTP request smuggling in rewrites

Summary When Next.js rewrites proxy traffic to an external backend, a crafted DELETE/OPTIONS request using Transfer-Encoding: chunked could trigger request boundary disagreement between the proxy and backend. This could allow request smuggling through rewritten routes. Impact An attacker could...

libpng: libpng: Information disclosure and denial of service via integer truncation in simplified write API

A flaw was found in libpng, a reference library for PNG Portable Network Graphics raster image files. An integer truncation vulnerability exists in the pngwriteimage16bit and pngwriteimage8bit simplified write API functions. A local attacker could exploit this flaw by providing a negative row...

Request smuggling via first-wins Content-Length parsing in inets httpd

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PT-2026-25973

Name of the Vulnerable Software and Affected Versions pyasn1 versions prior to 0.6.3 Description The pyasn1 library is susceptible to a Denial of Service DoS attack stemming from uncontrolled recursion when decoding ASN.1 data containing deeply nested structures. An attacker can craft a payload...

PT-2026-26148

Name of the Vulnerable Software and Affected Versions Sliver versions 1.7.3 and below Description Sliver is a command and control framework that utilizes a custom Wireguard network stack. Versions 1.7.3 and below contain a Remote Out-of-Memory OOM issue in the mTLS and WireGuard C2 transport laye...

EUVD-2026-12510

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to handle incorrectly reported array lengths which allows malicious user to cause OOM errors and crash the server via sending corrupted msgpack frames within websocket messages to calls plugin. Mattermost Advisory ID:...

Timing Attack

Overview authlib is a library in building OAuth and OpenID Connect servers. Affected versions of this package are vulnerable to Timing Attack via the unwrap length check in jwealgs.py. An attacker can recover the CEK and decrypt or forge JWE tokens by sending malformed RSA15 ciphertexts and...

GHSA-FFX7-75GC-JG7C File Browser TUS Negative Upload-Length Fires Post-Upload Hooks Prematurely

!NOTE This feature has been disabled by default for all installations from v2.33.8 onwards, including for existent installations. To exploit this vulnerability, the instance administrator must turn on a feature and ignore all the warnings about known vulnerabilities. We're publishing this new...