CVE-2024-0553

Publication date 16 January 2024

Last updated 6 July 2026

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from the response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981.

Read the notes from the security team

Status

Package Ubuntu Release Status
gnutls28 26.04 LTS resolute
Fixed 3.8.3-1ubuntu1
25.10 questing
Fixed 3.8.3-1ubuntu1
25.04 plucky
Fixed 3.8.3-1ubuntu1
24.10 oracular
Fixed 3.8.3-1ubuntu1
24.04 LTS noble
Fixed 3.8.3-1ubuntu1
23.10 mantic
Fixed 3.8.1-4ubuntu1.2
23.04 lunar
Fixed 3.7.8-5ubuntu1.2
22.04 LTS jammy
Fixed 3.7.3-4ubuntu1.4
20.04 LTS focal
Fixed 3.6.13-2ubuntu1.10
18.04 LTS bionic
Fixed 3.5.18-1ubuntu1.6+esm3
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

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Notes

iconstantin

CVE-2023-5981 ignored/fix not applied in xenial.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
gnutls28

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

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

References

Related Ubuntu Security Notices (USN)

Other references

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