ALSA-2026:28159 Important: python3.12-urllib3 security update

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems. Security Fixes:...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

CVE-2026-49461

CVE-2026-49461 affects the Python PDF library pypdf . The vulnerability occurs before version 6.12.2 and lets an attacker craft a PDF whose page contains a form XObject with self-references, causing large memory usage during text extraction. Impact is memory-related and can affect systems process...

UBUNTU-CVE-2026-54293

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Prior to 3.10.0-rc1, nltk.data.load in NLTK is vulnerable to path traversal via URL-encoded path separators and traversal segments...

UBUNTU-CVE-2026-53539

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, when parsing application/x-www-form-urlencoded bodies, QuerystringParser located the field separator with a two step lookup: it first scanned the entire remaining buffer for &, and only when no & existed anywhere ahead...

CVE-2026-54293

NLTK Natural Language Toolkit is a suite of open source Python modules, data sets, and tutorials supporting research and development in Natural Language Processing. Prior to 3.10.0-rc1, nltk.data.load in NLTK is vulnerable to path traversal via URL-encoded path separators and traversal segments...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

UBUNTU-CVE-2026-9375

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()

Summary The AWS Bedrock AgentCore Python SDK bedrock-agentcore is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the installpackages method of the Code Interpreter client where crafted package name arguments can bypass...

UBUNTU-CVE-2026-48990

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. In versions 1.3.4 through 1.6.5, joserfc accepts oversized RFC7797 b64=false JWS payloads without applying JWSRegistry.maxpayloadlength, which can lead to resource exhaustion...

GHSA-82FG-2R99-H7V6 Duplicate Advisory: PickleScan's pkgutil.resolve_name has a universal blocklist bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vvpj-8cmc-gx39. This link is maintained to preserve external references. Original Description picklescan before 1.0.4 fails to block pkgutil.resolvename, allowing attackers to bypass the entire blocklist by...

EUVD-2026-32916

PyJWKClient unbounded JWKS endpoint requests via attacker-controlled kid values DoS...

python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. When decoding JWTs, the library fails to validate the use of JSON Web Keys JWK in the HMAC algorithm while also supporting asymmetric algorithms. This allows a remote attacker to use the issuer's public key as the...

[SECURITY] Fedora 43 Update: python-python-multipart-0.0.32-1.fc43

Python-Multipart is a streaming multipart parser for Python...

OPENSUSE-SU-2026:11024-1 python311-PyJWT-2.13.0-1.1 on GA media

These are all security issues fixed in the python311-PyJWT-2.13.0-1.1 package on the GA media of openSUSE Tumbleweed...

MAL-2026-5311 Malicious code in bittensor-burn-monitor (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 9d4b7067997b5bc9822e964b16a3b4e78b5ec637086732d143889e577fa2d886 bittensor-burn-monitor advertises itself as a Bittensor subnet burn-rate monitor but ships a covert clipboard logger that exfiltrates installers'...

python-pyjwt: PyJWT: Denial of Service via unverified JSON Web Token key IDs

A flaw was found in PyJWT, a Python library for JSON Web Token JWT implementation. A remote attacker can exploit this vulnerability by sending specially crafted JWTs with unknown 'kid' key ID values. This can force the PyJWKClient.getsigningkey function to make an unlimited number of unrate-limit...

urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers

A flaw was found in urllib3, an HTTP client library for Python. When using the low-level API via ProxyManager.connectionfromurl.urlopen with assertsamehost=False, cross-origin redirects can still forward sensitive headers. This could allow a remote attacker to gain unauthorized access to sensitiv...

EulerOS Virtualization 2.10.1 : python-pip (EulerOS-SA-2026-2034)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in...

DEBIAN-CVE-2026-45409

Internationalized Domain Names in Applications IDNA for Python provides support for Internationalized Domain Names in Applications IDNA and Unicode IDNA Compatibility Processing. In versions prior to 3.15, payloads such as "\u0660" N or "\u30fb" N + "\u6f22" utilize the validcontexto function pri...