CVE-2023-53159

CRITICALCVSS 9.1/10EPSS 0.32%

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 0.32% 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
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability
0.32%

23.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
SfacklerOpenssl< 0.10.55

References

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 0.32% 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.

Are you affected by CVE-2023-53159?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST