USN-8573-1: libde265 vulnerabilities

It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2023-51792 It was discovered that libde265 did not...

USN-8573-1 libde265 vulnerabilities

It was discovered that libde265 did not properly manage memory under certain circumstances. An attacker could possibly use this issue to cause libde265 to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2023-51792 It was discovered that libde265 did not...

DEBIAN-CVE-2026-44452

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

CVE-2026-44452

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

UBUNTU-CVE-2026-44453

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 6b5370d, h2o is vulnerable to a Denial of Service attack when calling alloca under certain conditions. When serving static files, h2o builds the file path on stack, by calling alloca. The maximum size of the memor...

CVE-2026-44452

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit 8dc37cb, when h2o receives a ClientHello message over TLS or QUIC and it contains a zero-length SNI extension, the h2o server runs over the zero-length hostname while trying to copy the hostname, assuming that it ...

CVE-2026-15352

A vulnerability exists in the Health & Safety HS application of NASA's Core Flight System cFS. The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service...

EUVD-2026-45022

A vulnerability exists in the Health & Safety HS application of NASA's Core Flight System cFS. The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service...

CVE-2026-15352

A vulnerability exists in the Health & Safety HS application of NASA's Core Flight System cFS. The flaw allows the application to crash via segmentation fault when processing a routine Housekeeping Telemetry request, leading to denial of service...

CVE-2026-15352

CVE-2026-15352 affects NASA’s Core Flight System (cFS) Health & Safety (HS) application. The vulnerability allows a segmentation fault when handling a routine Housekeeping Telemetry request, resulting in a denial-of-service condition. Documents confirm the HS component and cFS are impacted; the i...

JLSEC-2026-672

An issue was discovered in wolfSSL before 5.5.0. When a TLS 1.3 client connects to a wolfSSL server and SSLclear is called on its session, the server crashes with a segmentation fault. This occurs in the second session, which is created through TLS session resumption and reuses the initial struct...

JLSEC-2026-680 Remotely executed SEGV and out of bounds read allows malicious packet sender to crash or cause an...

Remotely executed SEGV and out of bounds read allows malicious packet sender to crash or cause an out of bounds read via sending a malformed packet with the correct length...

Malciously crafted QPY files can allows Remote Attackers to Cause Denial of Service in Qiskit

ImpactA maliciously crafted QPY file containing a malformed symengine serialization stream as part of the larger QPY serialization of a ParameterExpression object can cause a segfault within the symengine library, allowing an attacker to terminate the hosting process deserializing the QPY payload...

PYSEC-2026-3283 Segfault in `tf.raw_ops.TensorListConcat`

Impact If tf.rawops.TensorListConcat is given elementshape=, it results segmentation fault which can be used to trigger a denial of service attack. python import tensorflow as tf tf.rawops.TensorListConcat inputhandle=tf.data.experimental.tovarianttf.data.Dataset.fromtensorslices1, 2, 3,...

PYSEC-2026-3251 Out of bounds segmentation fault due to unequal op inputs in Tensorflow

Impact tf.rawops.DynamicStitch specifies input sizes when it is registered. cpp REGISTEROP"DynamicStitch" .Input"indices: N int32" .Input"data: N T" .Output"merged: T" .Attr"N : int = 1" .Attr"T : type" .SetShapeFnDynamicStitchShapeFunction; When it receives a differing number of inputs, such as...

PYSEC-2026-3208 Seg fault in `ndarray_tensor_bridge` due to zero and large inputs

Impact If a numpy array is created with a shape such that one element is zero and the others sum to a large number, an error will be raised. E.g. the following raises an error: python np.ones0, 231, 231 An example of a proof of concept: python import numpy as np import tensorflow as tf inputval =...

PYSEC-2026-3101 TensorFlow vulnerable to segfault in `QuantizedBiasAdd`

Impact If QuantizedBiasAdd is given mininput, maxinput, minbias, maxbias tensors of a nonzero rank, it results in a segfault that can be used to trigger a denial of service attack. python import tensorflow as tf outtype = tf.qint32 input = tf.constant85,170,255, shape=3, dtype=tf.quint8 bias =...

PYSEC-2026-3291 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,...

Linux Distros Unpatched Vulnerability : CVE-2026-55213

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...