No exploitation reportedFix available

CVE-2018-10845

No exploitation reported by the sources we read.

Published2018-08-22
WeaknessCWE-327 · CWE-385

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2018-08-2213:29CVE publishedNVD

Versions per branch

NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
16.4	= 16.04	no fix published	NVD
18.4	= 18.04	no fix published	NVD
18.10	= 18.10	no fix published	NVD
19.4	= 19.04	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
31.x	= 31	no fix published	NVD
32.x	= 32	no fix published	NVD

Debian debian linux

Branch	Affected	Fixed in	Source
8.0	= 8.0	no fix published	NVD

4 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

gnutlsSUSE:OpenStack Cloud 7all versions · fixed in 3.2.15-18.6.1
gnutlsSUSE:Linux Enterprise Software Development Kit 12 SP3all versions · fixed in 3.3.27-3.3.1
gnutlsSUSE:Linux Enterprise Server for SAP Applications 12 SP3all versions · fixed in 3.3.27-3.3.1
gnutlsSUSE:Linux Enterprise Server for SAP Applications 12 SP2all versions · fixed in 3.2.15-18.6.1
gnutlsSUSE:Linux Enterprise Server for SAP Applications 12 SP1all versions · fixed in 3.2.15-18.6.1
gnutlsSUSE:Linux Enterprise Server 12-LTSSall versions · fixed in 3.2.15-18.6.1
gnutlsSUSE:Linux Enterprise Server 12 SP3all versions · fixed in 3.3.27-3.3.1
gnutlsSUSE:Linux Enterprise Server 12 SP2-LTSSall versions · fixed in 3.2.15-18.6.1

18 more package ranges on OSV.dev

Vendor advisories

RHSA-2018:3050 Red Hat Product Security104 products fixed
Red Hat Security Advisory: gnutls security, bug fix, and enhancement update

Full record on NVD

Fix

Vendor fix Red Hat Product Security RHSA-2018:3050 · 104 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

Advisories and patches

bugzilla.redhat.comPatch
gitlab.comPatch

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof of concept: PoC-in-GitHubno public repository identifiedread 2026-11-08
Metasploit modules: none listed

Sources

NVDCVSS 3.15.9read 2026-10-23
CNACVSS 3.05.9known since 2026-10-23
NVDCVSS 2.04.3read 2026-10-23
CNAweakness (CWE)CWE-385known since 2026-10-23
NVDweakness (CWE)CWE-327read 2026-10-23
FIRST EPSSEPSS score3.6 %2026-11-08
OSVaffected packages—
GitHub Advisoriesadvisory—

Identifiers

EUVD-2018-2914same flawENISA EUVD · LicenseRef-ENISA-legal-notice
GHSA-m5px-2q2g-hxc2same flawGitHub Advisory Database · CC-BY-4.0
DLA-1560-1advisory covering several CVEsDebian · LicenseRef-unstated
MGASA-2018-0435advisory covering several CVEsMageia · LicenseRef-unstated
RHSA-2018:3050advisory covering several CVEsRed Hat · CC-BY-4.0
SUSE-SU-2018:2825-1advisory covering several CVEsSUSE · LicenseRef-unstated
SUSE-SU-2018:2825-2advisory covering several CVEsSUSE · LicenseRef-unstated
SUSE-SU-2018:2842-1advisory covering several CVEsSUSE · LicenseRef-unstated
SUSE-SU-2018:2930-1advisory covering several CVEsSUSE · LicenseRef-unstated
USN-3999-1advisory covering several CVEsUbuntu

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2018-08-22
Last Modified: 2026-06-17
NVD status: Modified
GitHub Advisory: GHSA-m5px-2q2g-hxc2

Frequently asked questions

What is CVE-2018-10845?

Is CVE-2018-10845 actively exploited?

Active exploitation of CVE-2018-10845 has not been confirmed. Its EPSS score was 3.6% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-10845?

CVE-2018-10845 has a CVSS v3 base score of 5.9 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record

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