LLM Service

Pillow: Infinite loop in MIC n_frames when the embedded TIFF

pypdf: Possible long runtimes/large memory usage when retrieving outlines

pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams

Certifi removes GLOBALTRUST root certificate

Jupyter Server has a CORS Origin Validation Bypass via `re.match()` in `allow_origin_pat`

Pillow: BMP RLE decoder memory-amplification DoS via unbounded delta escape / absolute mode

Pillow: PdfParser can recurse without limit in get_value() and linearize_page_tree()

Pillow: NULL dereference in ImagingExpand via rank filters on zero-size images

fsspec: Server-Side Template Injection in ReferenceFileSystem leads to Remote Code Execution

Starlette has possible denial-of-service vector when parsing large files in multipart forms

aiohttp: Host-Only Cookies Become Domain Cookies After CookieJar Persistence

LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages

aiohttp: Multiple instances of excessive or unbounded memory/CPU use

PyJWT: PyJWKClient still amplifies unauthenticated JWKS fetches on unknown kid values (incomplete fix of CVE-2026-48524)

Mistune toc / TableOfContents directive: heading IDs use predictable `toc_N` numbering with no slugification, allowing collision with attacker-controlled `id="toc_N"` content

NLTK network URL validation permits SSRF to RFC 6598 shared-address-space hosts

pypdf has possible Infinite Loop when processing outlines/bookmarks

pyasn1 has quadratic CPU consumption in constructed BIT STRING decoding

pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

AIOHTTP has CRLF injection through multipart part content type header construction

Soup Sieve has Memory Exhaustion via Large Comma-Separated Selector Lists

urllib3 streaming API improperly handles highly compressed data

JupyterLab: Argument injection in JupyterLab extension uninstall exposes server-readable files and internal URLs

Pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO

Jupyter Core on Windows Has Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

LangSmith SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning

JupyterLab has an Extension Manager API/GUI Policy Discrepancy, allowing 3rd party (malicious) extensions install via POST request

Decompression-bomb safeguards bypassed when following HTTP redirects (streaming API)

pypdf: Possible infinite loop when hitting EOF in standard xref table

pypdf: Manipulated XMP metadata entity declarations can exhaust RAM

LangGraph: Unencoded identifiers in LangGraph SDK v3 streaming can redirect authenticated GET requests

NLTK: Corpus Reader Sandbox Bypass

NLTK: SSRF Fail-Open in validate_network_url() via DNS Resolution Failure

NLTK: Symlink-based arbitrary file read in IPIPANCorpusReader, bypasses nltk.pathsec entirely

Tornado: Unbounded query-string argument count allows event-loop-stalling DoS

Pillow: TarIO negative size field causes infinite CPU-spin loop

OAuthLib: Bearer token can be retrieved as long as client knows a valid client ID for device workflow

JupyterLab: Cross-site scripting (XSS) in JupyterLab via crafted language package (jupyterlab.json)

AIOHTTP has late size enforcement for non-file multipart fields causes memory DoS

Tornado: Authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient

Marshmallow has DoS in Schema.load(many)

pypdf has possible long runtimes when retrieving page labels

PyJWT: Unauthenticated RecursionError DoS in pre-verification payload parse (PyJWKClient.get_signing_key_from_jwt / verify_signature=False)

Pillow: P;2L and P;4L decoders may read 1 to 3 bytes past the passed buffer size

dnspython dns.name.from_wire_parser() excessive CPU use

Pillow `BdfFontFile`: `Image.new()` called without `_decompression_bomb_check()` — bomb protection bypass via font loading

Langchain SQL Injection vulnerability

Pillow tiled-TIFF decoder reads past tile buffer in copy4 (Unpack.c:1290)