Denial of service in rust-openssl



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-3416
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 rust-openssl
Universal components / Libraries / Libraries used by multiple products

Vendor Steven Fackler

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU107895

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3416

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in openssl::cipher::Cipher::fetch. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

rust-openssl: 0.10.39 - 0.10.71

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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