CVE catalog
CVE-2018-10845
gnutls28: CVE-2018-10845
- Severity
- Medium · CVSS 5.9
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 3.62% · Oct 25, 2026
It was found that the GnuTLS implementation of HMAC-SHA-384 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plain text recovery attacks via statistical analysis of timing data using crafted packets.
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 |
| Ubuntu | gnutls26 | pro | 2.12.23-1ubuntu4 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-1ubuntu5 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu1 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.1 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.2 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.3 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.4 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.5 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.6 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.7 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.8 | vulnerable |
| Ubuntu | gnutls26 | pro | 2.12.23-12ubuntu2.10+esm1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.3.15-5ubuntu2 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.3.18-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.3.20-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.9-2ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1.1 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1.2 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1.3 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1.4 | vulnerable |
| Ubuntu | gnutls28 | 16.04 | 3.4.10-4ubuntu1.5 | fixed |
| Ubuntu | gnutls28 | 18.04 | 3.5.8-6ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | 18.04 | 3.5.17-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 18.04 | 3.5.17-1ubuntu3 | vulnerable |
| Ubuntu | gnutls28 | 18.04 | 3.5.18-1ubuntu1 | vulnerable |
| Ubuntu | gnutls28 | 18.04 | 3.5.18-1ubuntu1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gnutls28 | source | sid | 3.5.19-1 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | forky | 3.5.19-1 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | trixie | 3.5.19-1 | not yet assigned | Not reported | Not reported |
| Debian | gnutls28 | source | bookworm | 3.5.19-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | gnutls28 | deb | 16.04 | 3.4.10-4ubuntu1.5 | Not reported | UBUNTU-CVE-2018-10845 | Not reported |
| Ubuntu | gnutls28 | deb | 18.04 | 3.5.18-1ubuntu1.1 | Not reported | UBUNTU-CVE-2018-10845 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [gnutls-bin]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [gnutls-doc]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· all · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· all · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [guile-gnutls]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [libgnutls28-dev]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [libgnutls30]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [libgnutls-dane0]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [libgnutls-openssl27]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
- [libgnutlsxx30]Unknown
Source package: [gnutls28]
Details (4)
3.7.9-2+deb12u7· amd64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookwormFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· amd64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
3.7.9-2+deb12u7· arm64 · bookworm-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · bookworm; dsa · gnutls28 · debian · 12
[Debian 13 (Trixie)]
- [gnutls-bin]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
- [gnutls-doc]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· all · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· all · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
- [libgnutls28-dev]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
- [libgnutls30t64]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
- [libgnutls-dane0t64]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
- [libgnutls-openssl27t64]Unknown
Source package: [gnutls28]
Details (4)
3.8.9-3+deb13u4· amd64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixieFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· amd64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
3.8.9-3+deb13u4· arm64 · trixie-securityFixed · Fixed:
3.5.19-1dsa · gnutls28 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2018_3050.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-10845]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-10845]
- [https://security-tracker.debian.org/tracker/CVE-2018-10845]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-10845.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2018/wid-sec-w-2026-3119.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]