PT-2026-56434

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.22.0 Description A heap use-after-free occurs in the Dynamic Virtual Channel drdynvc handling path due to improper synchronization of channel callback access. A malicious RDP server can trigger a race condition by...

Stable Channel Update for Desktop

The Stable channel has been updated to 150.0.7871.114/.115 for Windows and Mac and 150.0.7871.114 for Linux, which will roll out over the coming days/weeks. A full list of changes in this build is available in the Log Security Fixes and Rewards Note: Access to bug details and links may be kept...

PYSEC-2026-1716 OctoPrint has Timing Side-Channel Vulnerability in API Key Authentication

Impact OctoPrint versions up to and including 1.11.5 are affected by a theoretical timing attack vulnerability that allows API key extraction over the network. Due to using character based comparison that short-circuits on the first mismatched character during API key validation, rather than a...

GO-2026-5820 Mattermost doesn't archive the channel before removing persistent notifications in github.com/mattermost/mattermost-server

Mattermost doesn't archive the channel before removing persistent notifications in github.com/mattermost/mattermost-server...

CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix Presence JavaScript client allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every viewer of a presence channel topic. This vulnerability is...

CVE-2026-56812

Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix Presence JavaScript client allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every viewer of a presence channel topic. This vulnerability is...

EEF-CVE-2026-56812 Phoenix JavaScript presence client crashes on presence keys colliding with Object.prototype members in Presence.syncState/syncDiff

Summary Improper Check for Unusual or Exceptional Conditions vulnerability in phoenixframework phoenix Presence JavaScript client allows an attacker with ordinary channel access to cause a persistent client-side denial of service against every viewer of a presence channel topic. This vulnerabilit...

CVE-2026-56811

Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll. This...

EEF-CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

Summary Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll...

CVE-2026-56811 Phoenix transports do not limit channel joins per connection, enabling process-exhaustion denial of service

Allocation of Resources Without Limits or Throttling vulnerability in phoenixframework phoenix Phoenix.Socket module allows an unauthenticated attacker to cause a denial of service against any endpoint that mounts a Phoenix socket with a reachable channel transport WebSocket or LongPoll. This...

PYSEC-2026-1865 Red-DiscordBot vulnerable to Incorrect Authorization in commands API

Impact Due to a bug in Red's Core API, 3rd-party cogs using the @commands.canmanagechannel command permission check without additional permission controls may authorize a user to run a command even when that user doesn't have permissions to manage a channel. None of the core commands or core cogs...

freerdp: FreeRDP: Arbitrary code execution and denial of service via heap-buffer-overflow

A heap-buffer overflow vulnerability exists in the FreeRDP server's clipboard channel. A remote attacker can exploit this by sending a specially crafted message to the server, which can crash the service Denial of Service or potentially allow the attacker to execute arbitrary code...

PYSEC-2026-1535 LibOSDP RMAC revert to the beginning of the session

Issues: - SCS14 is allowed on encrypted connection osdpphy.c - No validation for RMACI is only in response to osdpSCRYPT osdpcp.c - Couldn't find anything specific in the OSDP specifications indicating it is forbidden, I'm gussing it shouldn't be allowed according from the secure connection...

PYSEC-2026-1811 PyCryptodome and pycryptodomex side-channel leakage for OAEP decryption

PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack...

PYSEC-2026-954 TensorFlow has Floating Point Exception in TFLite in conv kernel

Impact Constructing a tflite model with a paramater filterinputchannel of less than 1 gives a FPE. Patches We have patched the issue in GitHub commit 34f8368c535253f5c9cb3a303297743b62442aaa. The fix will be included in TensorFlow 2.12. We will also cherrypick this commit on TensorFlow 2.11.1. Fo...

PYSEC-2026-1035 `tf.raw_ops.Mfcc` crashes

Impact If ThreadUnsafeUnigramCandidateSampler is given input filterbankchannelcount greater than the allowed max size, TensorFlow will crash. python import tensorflow as tf tf.rawops.Mfcc spectrogram = 1.38, 6.32, 5.75, 9.51, samplerate = 2, upperfrequencylimit = 5.0, lowerfrequencylimit = 1.0,...

PYSEC-2026-1006 TensorFlow vulnerable to `CHECK` fail in `FakeQuantWithMinMaxVarsPerChannelGradient`

Impact When tf.quantization.fakequantwithminmaxvarsperchannelgradient receives input min or max of rank other than 1, it gives a CHECK fail that can trigger a denial of service attack. python import tensorflow as tf arg0=tf.random.uniformshape=1,1, dtype=tf.float32, maxval=None...

PYSEC-2026-978 TensorFlow vulnerable to `CHECK` fail in `FakeQuantWithMinMaxVarsPerChannel`

Impact If FakeQuantWithMinMaxVarsPerChannel is given min or max tensors of a rank other than one, it results in a CHECK fail that can be used to trigger a denial of service attack. python import tensorflow as tf numbits = 8 narrowrange = False inputs = tf.constant0, shape=4, dtype=tf.float32 min ...

PYSEC-2026-965 TensorFlow segfault TFLite converter on per-channel quantized transposed convolutions

Impact When converting transposed convolutions using per-channel weight quantization the converter segfaults and crashes the Python process. python import tensorflow as tf class QuantConv2DTransposedtf.keras.layers.Layer: def buildself, inputshape: self.kernel = self.addweight"kernel", 3, 3,...

DEBIAN-CVE-2026-58384

A flaw was found in GIMP's PSD parser. An integer overflow in readRLEchannel can cause an undersized heap allocation for the RLE row-length table, after which subsequent per-row writes corrupt heap memory. This could lead to memory corruption, potentially resulting in denial of service or arbitra...