CVE-2021-3580

Description

A flaw was found in the way nettle's RSA decryption functions handled specially crafted ciphertext. An attacker could use this flaw to provide a manipulated ciphertext leading to application crash and denial of service.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory gentoo.org
Affected: n/a nettle
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1967983 patch third party advisory issue tracking
https://lists.debian.org/debian-lts-announce/2021/09/msg00008.html third party advisory mailing list
https://security.netapp.com/advisory/ntap-20211104-0006/ third party advisory
https://security.gentoo.org/glsa/202401-24 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3580?
CVE-2021-3580 has been scored as a high severity vulnerability.
How to fix CVE-2021-3580?
To fix CVE-2021-3580, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3580 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3580 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3580?
CVE-2021-3580 affects n/a nettle.
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