CVE-2026-66393

NLTK versions before 3.9.4 contain an unbounded recursion vulnerability in JSONTaggedDecoder.decodeobj that allows attackers to cause denial of service by supplying deeply nested JSON structures. Attackers can craft JSON payloads exceeding the recursion limit to trigger an unhandled RecursionErro...

CVE-2026-66393

NLTK versions before 3.9.4 are affected by an unbounded recursion vulnerability in JSONTaggedDecoder.decode_obj() . An attacker can supply a deeply nested JSON structure that exceeds Python's recursion limit, triggering an unhandled RecursionError that crashes the process, resulting in denial of ...

PT-2026-79718

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vhost iotlb add range ctx function where non-retiring tables can continue allocating entries even after reaching their configured limit. This occurs because the...

PT-2026-79626

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2-rc6 Description An issue exists in the net/sched component where a memory leak occurs when header checks reject a packet. Specifically, the tcf ct handle fragments function performs sanity checks using tcf ct...

MiracleLinux 9 : fence-agents-4.10.0-110.el9_8.5 (AXSA:2026-1605:15)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1605:15 advisory. httplib2: httplib2: Denial of Service via unbounded decompression of HTTP response bodies CVE-2026-59939 Tenable has extracted the preceding description bloc...

CVE-2026-66393: Uncontrolled Recursion

NLTK versions before 3.9.4 contain an unbounded recursion vulnerability in JSONTaggedDecoder.decodeobj that allows attackers to cause denial of service by supplying deeply nested JSON structures. Attackers can craft JSON payloads exceeding the recursion limit to trigger an unhandled RecursionErro...

Linux Distros Unpatched Vulnerability : CVE-2026-66393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NLTK versions before 3.9.4 contain an unbounded recursion vulnerability in JSONTaggedDecoder.decodeobj that allows attackers to cause denial of service by...

EUVD-2026-64180

RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX’s recursive-descent parser recurses one or more native stack frame per nesting level at , \left, \sqrt, ^, etc, with no maximum depth limit. A short, 10 KB input of nested groups overflows the 8 MB...

CVE-2026-53531 ratex-parser has unbounded parser recursion that leads to stack overflow (process abort)

RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX’s recursive-descent parser recurses one or more native stack frame per nesting level at , \left, \sqrt, ^, etc, with no maximum depth limit. A short, 10 KB input of nested groups overflows the 8 MB...

CVE-2026-53531 ratex-parser has unbounded parser recursion that leads to stack overflow (process abort)

RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX’s recursive-descent parser recurses one or more native stack frame per nesting level at , \left, \sqrt, ^, etc, with no maximum depth limit. A short, 10 KB input of nested groups overflows the 8 MB...

CVE-2026-53531 ratex-parser has unbounded parser recursion that leads to stack overflow (process abort)

RaTeX is a KaTeX-compatible math rendering engine written in Rust. Prior to version 0.1.11, RaTeX’s recursive-descent parser recurses one or more native stack frame per nesting level at , \left, \sqrt, ^, etc, with no maximum depth limit. A short, 10 KB input of nested groups overflows the 8 MB...

EUVD-2026-64165

Picotls is a TLS protocol library that allows users select different crypto backends based on their use case. Picotls implements its own ASN.1 validation helper, which is used by the minicrypto backend while parsing local PKCS8 private keys. Prior to commit c14231d801407640bc42c2dcf92783409ea6a7c...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through unbounded session retention in the handleInitRequest path of WebFluxStreamableServerTransportProvider and WebMvcStreamableServerTransportProvider. An unauthenticated remote...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through unbounded session retention in the handleInitRequest path of WebFluxStreamableServerTransportProvider and WebMvcStreamableServerTransportProvider. An unauthenticated remote...

CVE-2026-74576

A flaw was found in the Linux kernel's memory management. This vulnerability allows for unbounded recursion in the slab free path, a process where the kernel manages and releases small blocks of memory. When certain kernel memory allocation caches kmalloc caches form a cycle during internal data...

CVE-2026-59279

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59279 Unbounded persistent session allocation via repeated initialize requests

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

CVE-2026-59279 Unbounded persistent session allocation via repeated initialize requests

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

EUVD-2026-63931

The MCP Streamable HTTP server transport WebFlux and WebMvc variants does not place any limit on the number of sessions it retains, and by default does not require clients to be authenticated. As a result, a remote attacker can cause the server to accumulate an unbounded number of sessions over...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the contextWithBaggage parsing path in io.micrometer.tracing.brave.bridge.W3CPropagation. An attacker can exhaust CPU and heap by sending a request with a W3C baggage header...