DoS vulnerability in REXML. Ruby’s REXML library is susceptible to the “billion laughs” denial of service attack where recursively nested entities expand a single entitity reference to a billion characters (kind of like the exploding zip file attack). Rails applications that process user-supplied XML should apply the monkey-patch ASAP; a proper gem update is forthcoming.
Recent articles
- Understanding GPT tokenizers - 8th June 2023
- Weeknotes: Parquet in Datasette Lite, various talks, more LLM hacking - 4th June 2023
- It's infuriatingly hard to understand how closed models train on their input - 4th June 2023
- ChatGPT should include inline tips - 30th May 2023
- Lawyer cites fake cases invented by ChatGPT, judge is not amused - 27th May 2023
- llm, ttok and strip-tags - CLI tools for working with ChatGPT and other LLMs - 18th May 2023