CVE-2023-53159
CRITICALCVSS 9.1/10EPSS 0.33%
Last modified
CVE-2023-53159 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Sfackler | Openssl | < 0.10.55 |
References
- https://github.com/sfackler/rust-openssl/issues/1965Exploit, Patch
- https://rustsec.org/advisories/RUSTSEC-2023-0044.htmlThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2023-53159?
The openssl crate before 0.10.55 for Rust allows an out-of-bounds read via an empty string to X509VerifyParamRef::set_host.
How severe is CVE-2023-53159?
CVE-2023-53159 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2023-53159?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2023-53159?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST