CVE catalog
CVE-2018-10844
gnutls28: CVE-2018-10844
- 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-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-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 |
| 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-2018-10844 | Not reported |
| Ubuntu | gnutls28 | deb | 18.04 | 3.5.18-1ubuntu1.1 | Not reported | UBUNTU-CVE-2018-10844 | Not reported |
| Ubuntu | gnutls28 | deb | 16.04 | 3.4.10-4ubuntu1.5 | Not reported | USN-3999-1 | Not reported |
| Ubuntu | gnutls28 | deb | 18.04 | 3.5.18-1ubuntu1.1 | Not reported | USN-3999-1 | 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-2018-10844]
- [https://osv.dev/vulnerability/DLA-1560-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-10844]
- [https://osv.dev/vulnerability/USN-3999-1]
- [https://security-tracker.debian.org/tracker/CVE-2018-10844]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-10844.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]