CVE catalog
CVE-2023-5981
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
- Severity
- Medium · CVSS 5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.27% · Oct 25, 2026
A vulnerability was found that the response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gnutls28 | sid | 3.8.13-1 | fixed |
| Debian | gnutls28 | forky | 3.8.13-1 | fixed |
| Debian | gnutls28 | trixie | 3.8.9-3+deb13u4 | fixed |
| Debian | gnutls28 | trixie-security | 3.8.9-3+deb13u4 | fixed |
| Debian | gnutls28 | bookworm | 3.7.9-2+deb12u7 | fixed |
| Debian | gnutls28 | bookworm-security | 3.7.9-2+deb12u7 | fixed |
| Cpe | debian_linux | Not reported | Not reported | unknown |
| Cpe | gnutls | Not reported | 3.8.2 | fixed |
| Cpe | linux | Not reported | Not reported | unknown |
| Cpe | linux | Not reported | Not reported | unknown |
| Cpe | fedora | Not reported | Not reported | unknown |
| Cpe | fedora | Not reported | Not reported | unknown |
| Alpine | gnutls | 3.18 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.19 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.20 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.21 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.22 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.23 | 3.8.3-r0 | fixed |
| Alpine | gnutls | 3.24 | 3.8.3-r0 | fixed |
| Ubuntu | gnutls28 | pro | 3.5.8-6ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.17-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.17-1ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.4 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.5 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.6 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.6+esm1 | fixed |
| Ubuntu | gnutls28 | 20.04 | 3.6.9-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.9-5ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.10-5 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.11.1-2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.11.1-2ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.6 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.7 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.8 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.9 | fixed |
| Ubuntu | gnutls28 | 22.04 | 3.7.1-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.3 | fixed |
| Ubuntu | gnutls28 | 20.04 | 3.6.9-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.9-5ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.10-5 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.11.1-2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.11.1-2ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.6 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.7 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.8 | vulnerable |
| Ubuntu | gnutls28 | 20.04 | 3.6.13-2ubuntu1.9 | fixed |
| Ubuntu | gnutls28 | 22.04 | 3.7.1-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.2-5ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 22.04 | 3.7.3-4ubuntu1.3 | fixed |
| Ubuntu | gnutls28 | pro | 3.5.8-6ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.17-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.17-1ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.4 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.5 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.6 | vulnerable |
| Ubuntu | gnutls28 | pro | 3.5.18-1ubuntu1.6+esm1 | fixed |
| Suse | gnutls | linux enterprise high performance computing 15 sp2-ltss | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise high performance computing 15 sp3-ltss | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise server 15 sp2-ltss | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise server 15 sp3-ltss | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise server for sap applications 15 sp2 | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise server for sap applications 15 sp3 | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.1 | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.2 | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | enterprise storage 7.1 | 3.6.7-150200.14.31.1 | fixed |
| Suse | gnutls | linux enterprise high performance computing 15 sp2-ltss | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise high performance computing 15 sp3-espos | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise high performance computing 15 sp3-ltss | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise server 15 sp2-ltss | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise server 15 sp3-ltss | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise server for sap applications 15 sp2 | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise server for sap applications 15 sp3 | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.1 | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.2 | 3.6.7-150200.14.28.1 | fixed |
| Suse | gnutls | enterprise storage 7.1 | 3.6.7-150200.14.28.1 | fixed |
| Opensuse | gnutls | tumbleweed | 3.8.2-1.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.4 | 3.7.3-150400.4.38.1 | fixed |
| Suse | gnutls | linux enterprise micro 5.5 | 3.7.3-150400.4.38.1 | fixed |
| Suse | gnutls | linux enterprise module for basesystem 15 sp4 | 3.7.3-150400.4.38.1 | fixed |
| Suse | gnutls | linux enterprise module for basesystem 15 sp5 | 3.7.3-150400.4.38.1 | fixed |
| Opensuse | gnutls | leap micro 5.4 | 3.7.3-150400.4.38.1 | fixed |
| Opensuse | gnutls | leap 15.4 | 3.7.3-150400.4.38.1 | fixed |
| Opensuse | gnutls | leap 15.5 | 3.7.3-150400.4.38.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gnutls28 | source | sid | 3.8.2-1 | not yet assigned | Not reported | [1056188] |
| Debian | gnutls28 | source | forky | 3.8.2-1 | not yet assigned | Not reported | [1056188] |
| Debian | gnutls28 | source | trixie | 3.8.2-1 | not yet assigned | Not reported | [1056188] |
| Debian | gnutls28 | source | bookworm | 3.7.9-2+deb12u1 | not yet assigned | Not reported | [1056188] |
| Cpe | gnutls | cpe | Not reported | 3.8.2 | Not reported | NVD-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.18 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.19 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.20 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.21 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.22 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.23 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Alpine | gnutls | apk | 3.24 | 3.8.3-r0 | Not reported | ALPINE-CVE-2023-5981 | Not reported |
| Ubuntu | gnutls28 | deb | pro | 3.5.18-1ubuntu1.6+esm1 | Not reported | UBUNTU-CVE-2023-5981 | Not reported |
| Ubuntu | gnutls28 | deb | 20.04 | 3.6.13-2ubuntu1.9 | Not reported | UBUNTU-CVE-2023-5981 | Not reported |
| Ubuntu | gnutls28 | deb | 22.04 | 3.7.3-4ubuntu1.3 | Not reported | UBUNTU-CVE-2023-5981 | Not reported |
| Ubuntu | gnutls28 | deb | 20.04 | 3.6.13-2ubuntu1.9 | Not reported | USN-6499-1 | Not reported |
| Ubuntu | gnutls28 | deb | 22.04 | 3.7.3-4ubuntu1.3 | Not reported | USN-6499-1 | Not reported |
| Ubuntu | gnutls28 | deb | pro | 3.5.18-1ubuntu1.6+esm1 | Not reported | USN-6499-2 | Not reported |
| Suse | gnutls | rpm | linux enterprise high performance computing 15 sp2-ltss | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise high performance computing 15 sp3-ltss | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server 15 sp2-ltss | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server 15 sp3-ltss | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server for sap applications 15 sp2 | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server for sap applications 15 sp3 | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.1 | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.2 | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | enterprise storage 7.1 | 3.6.7-150200.14.31.1 | Not reported | SUSE-SU-2024:0860-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise high performance computing 15 sp2-ltss | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise high performance computing 15 sp3-espos | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise high performance computing 15 sp3-ltss | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server 15 sp2-ltss | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server 15 sp3-ltss | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server for sap applications 15 sp2 | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise server for sap applications 15 sp3 | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.1 | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.2 | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Suse | gnutls | rpm | enterprise storage 7.1 | 3.6.7-150200.14.28.1 | Not reported | SUSE-SU-2023:4986-1 | Not reported |
| Opensuse | gnutls | rpm | tumbleweed | 3.8.2-1.1 | Not reported | OPENSUSE-SU-2024:13444-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.4 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise micro 5.5 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise module for basesystem 15 sp4 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Suse | gnutls | rpm | linux enterprise module for basesystem 15 sp5 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Opensuse | gnutls | rpm | leap micro 5.4 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Opensuse | gnutls | rpm | leap 15.4 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
| Opensuse | gnutls | rpm | leap 15.5 | 3.7.3-150400.4.38.1 | Not reported | SUSE-SU-2023:4983-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://cert-portal.siemens.com/productcert/csaf/ssa-398330.json]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2024_0155.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-5981]
- [https://osv.dev/vulnerability/ALPINE-CVE-2023-5981]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-5981]
- [https://osv.dev/vulnerability/DLA-3660-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4983-1]
- [https://osv.dev/vulnerability/SUSE-SU-2023:4986-1]
- [https://osv.dev/vulnerability/SUSE-SU-2024:0860-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-5981]
- [https://osv.dev/vulnerability/USN-6499-1]
- [https://osv.dev/vulnerability/USN-6499-2]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:13444-1]
- [https://security-tracker.debian.org/tracker/CVE-2023-5981]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-5981.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-2978.json]
[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]