CVE-2026-59877 protobufjs: Denial of Service via infinite loop in .proto option parsing

protobufjs compiles protobuf definitions into JavaScript JS functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that opens an option declaration and ends...

CVE-2026-59877 protobufjs: Denial of Service via infinite loop in .proto option parsing

protobufjs compiles protobuf definitions into JavaScript JS functions. Prior to 7.6.5 and 8.6.6, protobufjs parsed option names by advancing through schema tokens until reaching an = token without checking for end of input, so a crafted .proto schema that opens an option declaration and ends...

CVE-2026-59874

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18...

CVE-2026-59874

node-tar is a Node.js tar archive library. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to loop on the same header and make no progress; this is fixed in version 7.5.18. Upgrade to 7.5.18 to remediate. Th...

CVE-2026-59874 node-tar: Negative tar entry size causes infinite loop in archive replace

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18...

CVE-2026-59874 node-tar: Negative tar entry size causes infinite loop in archive replace

node-tar is a tar archive manipulation library for Node.js. Prior to 7.5.18, tar.replace accepts a checksum-valid tar header with a negative base-256 encoded entry size, causing the archive scanner to make no progress while repeatedly parsing the same header. This issue is fixed in version 7.5.18...

PT-2026-56497

Name of the Vulnerable Software and Affected Versions protobufjs versions prior to 7.6.5 protobufjs versions prior to 8.6.6 Description protobufjs compiles protobuf definitions into JavaScript functions. The software parses option names by advancing through schema tokens until an = token is reach...

PT-2026-56590

Name of the Vulnerable Software and Affected Versions Wireshark versions 4.6.0 through 4.6.6 Wireshark versions 4.4.0 through 4.4.16 Description Multiple protocol dissectors contain infinite loops that can be triggered to cause a denial of service. A protocol dissector is a component that analyze...

PT-2026-56547

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.14.1 Description An attacker can craft a PDF file with a page content stream containing an unterminated inline image. This leads to an infinite loop during the detection of the inline image end marker, which can occur...

PT-2026-56603

Name of the Vulnerable Software and Affected Versions libp2p versions prior to 16.0.0 Description In the @libp2p/gossipsub module, the defaultDecodeRpcLimits configuration sets maxIhaveMessageIDs and maxIwantMessageIDs to Infinity. This allows oversized IHAVE and IWANT control message arrays in...

PT-2026-56498

Name of the Vulnerable Software and Affected Versions Immutable.js versions prior to 4.3.9 Immutable.js versions prior to 5.1.8 Description Certain functions mishandle an index or size within the range 2 30 to 2 31 in the setListBounds function located in src/List.js. This can lead to an empty Li...

PT-2026-56546

Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.14.2 Description An attacker can craft a PDF file with a page content stream containing an unterminated inline image that utilizes ASCII85 or ASCIIHex filters. This leads to an infinite loop during the parsing process...

Security Bulletin: IBM watsonx.data integration has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in IBM watsonx.data integration. Vulnerability Details CVEID:CVE-2026-33814 DESCRIPTION: When processing HTTP/2 SETTINGS frames, transport will enter an infinite loop of writing CONTINUATION frames if it receives a...

PYSEC-2026-1827 pypdf has possible Infinite Loop when processing outlines/bookmarks

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires accessing the outlines/bookmarks. Patches This has been fixed in pypdf 6.6.2. Workarounds If projects cannot upgrade yet, consider applying the changes from PR 3610...

PYSEC-2026-1107 AIOHTTP vulnerable to DoS when bypassing asserts

Summary When assert statements are bypassed, an infinite loop can occur, resulting in a DoS attack when processing a POST body. Impact If optimisations are enabled -O or PYTHONOPTIMIZE=1, and the application includes a handler that uses the Request.post method, then an attacker may be able to...

PYSEC-2026-1833 pypdf possibly loops infinitely when reading DCT inline images without EOF marker

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. Patches This has been fixed in pypdf==6.1.3. Workarounds If you cannot upgrade yet, consider...

PYSEC-2026-2054 XGrammar affected by Denial of Service by infinite recursion grammars

Summary This issue: http://github.com/mlc-ai/xgrammar/issues/250 should have it's own security advisory. Since several tools accept and pass user supplied grammars to xgrammar, and it is so easy to trigger it seems like a High...

PYSEC-2026-1563 LlamaIndex Improper Handling of Exceptional Conditions vulnerability

A vulnerability in the LangChainLLM class of the run-llama/llamaindex repository, version v0.12.5, allows for a Denial of Service DoS attack. The streamcomplete method executes the llm using a thread and retrieves the result via the getresponsegen method of the StreamingGeneratorCallbackHandler...

PYSEC-2026-1290 DB-GPT Uncontrolled Resource Consumption vulnerability

A Denial of Service DoS vulnerability in the multipart request boundary processing mechanism of eosphoros-ai/db-gpt v0.6.0 allows unauthenticated attackers to cause excessive resource consumption. The server fails to handle excessive characters appended to the end of multipart boundaries, leading...

PYSEC-2026-2074 zipp Denial of Service vulnerability

A Denial of Service DoS vulnerability exists in the jaraco/zipp library, affecting all versions prior to 3.19.1. The vulnerability is triggered when processing a specially crafted zip file that leads to an infinite loop. This issue also impacts the zipfile module of CPython, as features from the...