CVE-2026-53082: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: 6pack: fix uninit-value in sixpackreceivebuf sixpackreceivebuf does not properly skip bytes with TTY error flags. The while loop iterates through the flags buffer but never advances the data pointer cp, and passes...

CVE-2026-52985: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netdevsim: zero initialize struct iphdr in dummy skbuff Syzbot reports a KMSAN uninit-value originating from nsimdevtrapskbbuild, with the allocation also being performed in the same function. Fix this by calling skbputzero inste...

PT-2026-80631

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526770452 Crash type: Use-of-uninitialized-value Crash state: iup delta optimize OT::tuple delta t::optimize OT::TupleVariationData::tuple variations...

CVE-2026-50128: Improper Validation of Integrity Check Value

Mastodon is a free, open-source social network server based on ActivityPub. From 4.3.0 until 4.5.11 and 4.4.18, Mastodon has a feature to let websites credit authors of their articles. To prevent false attribution claims, Mastodon uses the attributionDomains JSON-LD term, however, an error in how...

CVE-2026-3652: Improper Neutralization of Input During Web Page Generation

The ARForms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the value parameter of the arfsaveincompleteformdata AJAX action in all versions up to, and including, 7.1.3 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated...

CVE-2026-5818

Incorrect check of function return value in Caliptra Core Runtime Firmware ActivateFirmwareCmd::activatefw modules allows bypass of Caliptra Core's verification of the MCU FW during a hitless update. This issue affects Core Runtime Firmware: from 2.0.0 through 2.0.1, 2.1.0...

imagemagick:encoder_jxl_fuzzer: Use-of-uninitialized-value in jxl::PerformMulBlending

Detailed Report: https://oss-fuzz.com/testcase?key=6299345553784832 Project: imagemagick Fuzzing Engine: libFuzzer Fuzz Target: encoderjxlfuzzer Job Type: libfuzzermsanimagemagick Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address: Crash State: jxl::PerformMulBlending...

CVE-2026-57062

CMS Cryptographic Message Syntax parsing in gpgsm in GnuPG through 2.5.20 mishandles the CMS format for AES-GCM because aes-ICVlen is supposed to be 12 bytes but 4 bytes is accepted. NOTE: this is related to CVE-2026-34182...

CVE-2026-56968

GNU SASL before 2.2.4 lacks sanitization of a short challenge in gsaslntlmclientstep in the NTLM client, which could result in memory disclosure via a crafted server...

harfbuzz:hb-subset-fuzzer: Use-of-uninitialized-value in iup_delta_optimize

Project: https://github.com/harfbuzz/harfbuzz.git Detailed Report: https://oss-fuzz.com/testcase?key=4688270404157440 Project: harfbuzz Fuzzing Engine: libFuzzer Fuzz Target: hb-subset-fuzzer Job Type: libfuzzermsanharfbuzz Platform Id: linux Crash Type: Use-of-uninitialized-value Crash Address:...

OSV-2026-958 Use-of-uninitialized-value in LibRaw::fbdd

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526284076 Crash type: Use-of-uninitialized-value Crash state: LibRaw::fbdd LibRaw::dcrawprocess librawfuzzer.cc...

PT-2026-51609

Name of the Vulnerable Software and Affected Versions Caliptra Core Runtime Firmware versions 2.0.0 through 2.0.1 Caliptra Core Runtime Firmware version 2.1.0 Description An incorrect check of a function return value within the ActivateFirmwareCmd::activate fw modules allows the bypass of the...

PT-2026-96919

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=526284076 Crash type: Use-of-uninitialized-value Crash state: LibRaw::fbdd LibRaw::dcraw process libraw fuzzer.cc...

scimPatch vulnerable to prototype pollution via unfiltered keys in patch

Summary scim-patch performs prototype pollution when applying a SCIM PATCH operation whose value object contains a key like "proto.someProp". After one such patch, Object.prototype.someProp is set process-wide, affecting every plain object in the Node process. Any service that calls scimPatch on...

EUVD-2026-38402

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.23.1rc0, ll temperature validation gates use comparison operators , which silently evaluate to False for NaN and for positive Infinity in Python's IEEE 754 float semantics. Both values pass every guard and propagat...

CVE-2026-54235 vLLM: temperature=NaN and temperature=Infinity bypass validation and propagate to GPU kernels

vLLM is an inference and serving engine for large language models LLMs. Prior to 0.23.1rc0, ll temperature validation gates use comparison operators , which silently evaluate to False for NaN and for positive Infinity in Python's IEEE 754 float semantics. Both values pass every guard and propagat...

CVE-2026-54289 Hono: Lambda@Edge adapter keeps only the last value of a repeated request header, dropping the rest

Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.25, on AWS Lambda@Edge, CloudFront delivers a request header that appears more than once as several separate entries. The adapter writes each value with Headers.set instead of Headers.append, so...

CVE-2026-56425

The Azure Active Directory AAD authentication implementation contained multiple weaknesses in its OAuth 2.0 authorization flow that could allow attackers to bypass important security guarantees provided by the protocol. The application used the PHP session identifier sessionid as the OAuth state...

CVE-2026-9029

A user with Editor permissions can place a malicious script in the attribution field of a Geomap panel's XYZ tile layer via a template variable. The script then executes in the browser of any user who views the affected dashboard stored cross-site scripting...

EUVD-2026-38243

The geomap panel's XYZ tile layer has a sanitize-then-interpolate ordering bug. sanitizeTextPanelContent runs on the raw template string before getTemplateSrv.replace substitutes the variable value, which uses the glob format with no HTML escaping. The result is passed to OpenLayers via...