From Untrusted Input to Trusted Memory: A Systematic Study of Memory Poisoning Attacks in LLM Agents

Memory is a core component of AI agents, enabling them to accumulate knowledge across interactions and improve performance. However, persistent memory introduces the risk of memory poisoning, where a single adversarial memory write can exert long-term influence over agent behavior. We present a...

Spacelabs Healthcare Sentinel 安全漏洞

Spacelabs Healthcare Sentinel is a cardiology information management system developed by Spacelabs Healthcare in the United States. Vulnerabilities exist in Spacelabs Healthcare Sentinel versions 10.5.x and later, as well as versions 11.6.0 and earlier under the 11.x.x range. These vulnerabilitie...

Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-39827)

The version of CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-39827 advisory. - An authenticated SSH client that repeatedly opened channels which were rejected by the server...

CVE-2025-60483

A NULL pointer dereference in the gfac4presb4backchannelspresent function /mediatools/avparsers.c of GPAC Project/MP4Box before 26.02.0 allows attackers to cause a Denial of Service DoS via supplying a crafted AC4 file...

CVE-2026-46179

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Don't allow pointer operations on unconfigured streams When reporting the pointer for a compressed stream we report the current I/O frame position by dividing the position by the number of channels multiplied by the...

CVE-2026-46184 sound: ua101: fix division by zero at probe

In the Linux kernel, the following vulnerability has been resolved: sound: ua101: fix division by zero at probe Add a missing sanity check for bNrChannels in detectusbformat to prevent a division by zero in playbackurbcomplete and captureurbcomplete. USB core does not validate class-specific...

CVE-2026-46179 ASoC: SOF: Don't allow pointer operations on unconfigured streams

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Don't allow pointer operations on unconfigured streams When reporting the pointer for a compressed stream we report the current I/O frame position by dividing the position by the number of channels multiplied by the...

SUSE CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

UBUNTU-CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

CVE-2026-45978

The CVE-2026-45978 issue affects the Linux kernel (staging: greybus: lights). The underlying problem is in gb_lights_light_config(): it stores channel_count before allocating the channels array; if kcalloc() fails, the cleanup path may dereference a NULL light->channels. The fix is to allocate...

CVE-2026-45978 staging: greybus: lights: avoid NULL deref

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

CVE-2026-45978 staging: greybus: lights: avoid NULL deref

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

Fake software on GitHub and SourceForge distribute Deno RAT

During our threat hunting activities, we found fake installers and plugins impersonating popular software including ChatGPT, Claude, AutoTune, and Kontakt on GitHub and SourceForge distributing a Deno backdoor known as DinDoor. Attackers are using compromised YouTube channels to distribute links ...

CVE-2026-36239

creationtimestamp| type| source ---|---|--- 2026-05-25 02:00:04+00:00| seen| https://t.me/GithubRedTeam/85759 2026-05-25 03:00:10+00:00| seen| Telegram/PWXxTbzLBS2I2NTEEZXYxWglH9J71PY-BvJO95sfjgRqY3E 2026-05-25 09:00:04+00:00| seen| Telegram/hq1WnakkbxJpSdatpwq9NAKRiUtHFa8ysgfQqaCqIO8mwqo...

Linux Distros Unpatched Vulnerability : CVE-2026-39827

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server...

SUSE CVE-2026-39827

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the API response process. An attacker can access sensitive information about team member roles by invoking various team API endpoints without having elevated permissions. Remediation Upgrade...

Incorrect Authorization

Overview github.com/mattermost/mattermost/server/v8/channels/api4 is a platform for secure collaboration across the entire software development lifecycle Affected versions of this package are vulnerable to Incorrect Authorization via the API response process. An attacker can access sensitive...

AZL-87978 CVE-2026-39827 affecting package kubevirt for versions less than 1.7.1-7

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for...