CVE catalog
CVE-2018-16869
nettle: CVE-2018-16869
- Severity
- Medium · CVSS 5.3
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.49% · Oct 27, 2026
A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
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 | nettle | sid | 3.10.2-1 | fixed |
| Debian | nettle | forky | 3.10.2-1 | fixed |
| Debian | nettle | trixie | 3.10.1-1 | fixed |
| Debian | nettle | bookworm | 3.8.1-2 | fixed |
| Ubuntu | nettle | 14.04 | 2.7.1-1 | vulnerable |
| Ubuntu | nettle | 14.04 | 2.7.1-1ubuntu0.1 | vulnerable |
| Ubuntu | nettle | 14.04 | 2.7.1-1ubuntu0.2 | vulnerable |
| Ubuntu | nettle | 16.04 | 3.1.1-4 | vulnerable |
| Ubuntu | nettle | 16.04 | 3.2-1 | vulnerable |
| Ubuntu | nettle | 16.04 | 3.2-1ubuntu0.16.04.1 | vulnerable |
| Ubuntu | nettle | 16.04 | 3.2-1ubuntu0.16.04.2 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.3-2 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4-1 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4-1ubuntu0.1 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4.1-0ubuntu0.18.04.1 | fixed |
| Ubuntu | nettle | 18.04 | 3.3-2 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4-1 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4-1ubuntu0.1 | vulnerable |
| Ubuntu | nettle | 18.04 | 3.4.1-0ubuntu0.18.04.1 | fixed |
| Ubuntu | nettle | 20.04 | 3.4.1-1 | vulnerable |
| Ubuntu | nettle | 20.04 | 3.5.1+really3.5.1-2 | vulnerable |
| Ubuntu | nettle | 20.04 | 3.5.1+really3.5.1-2ubuntu0.1 | vulnerable |
| Ubuntu | nettle | 20.04 | 3.5.1+really3.5.1-2ubuntu0.2 | fixed |
| Suse | libnettle | linux enterprise module for basesystem 15 | 3.4-4.3.1 | fixed |
| Suse | libnettle | linux enterprise module for desktop applications 15 | 3.4-4.3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nettle | source | sid | 3.4.1~rc1-1 | not yet assigned | Not reported | Not reported |
| Debian | nettle | source | forky | 3.4.1~rc1-1 | not yet assigned | Not reported | Not reported |
| Debian | nettle | source | trixie | 3.4.1~rc1-1 | not yet assigned | Not reported | Not reported |
| Debian | nettle | source | bookworm | 3.4.1~rc1-1 | not yet assigned | Not reported | Not reported |
| Ubuntu | nettle | deb | 18.04 | 3.4.1-0ubuntu0.18.04.1 | Not reported | UBUNTU-CVE-2018-16869 | Not reported |
| Ubuntu | nettle | deb | 18.04 | 3.4.1-0ubuntu0.18.04.1 | Not reported | USN-4990-1 | Not reported |
| Ubuntu | nettle | deb | 20.04 | 3.5.1+really3.5.1-2ubuntu0.2 | Not reported | USN-4990-1 | Not reported |
| Suse | libnettle | rpm | linux enterprise module for basesystem 15 | 3.4-4.3.1 | Not reported | SUSE-SU-2018:4193-1 | Not reported |
| Suse | libnettle | rpm | linux enterprise module for desktop applications 15 | 3.4-4.3.1 | Not reported | SUSE-SU-2018:4193-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libhogweed6]Fixed
Source package: [nettle]
Details (2)
3.8.1-2· amd64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
3.8.1-2· arm64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
- [libnettle8]Fixed
Source package: [nettle]
Details (2)
3.8.1-2· amd64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
3.8.1-2· arm64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
- [nettle-bin]Fixed
Source package: [nettle]
Details (2)
3.8.1-2· amd64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
3.8.1-2· arm64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
- [nettle-dev]Fixed
Source package: [nettle]
Details (2)
3.8.1-2· amd64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
3.8.1-2· arm64 · bookwormFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · bookworm; dsa · nettle · debian · 12
[Debian 13 (Trixie)]
- [libhogweed6t64]Fixed
Source package: [nettle]
Details (2)
3.10.1-1· amd64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
3.10.1-1· arm64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
- [libnettle8t64]Fixed
Source package: [nettle]
Details (2)
3.10.1-1· amd64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
3.10.1-1· arm64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
- [nettle-bin]Fixed
Source package: [nettle]
Details (2)
3.10.1-1· amd64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
3.10.1-1· arm64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
- [nettle-dev]Fixed
Source package: [nettle]
Details (2)
3.10.1-1· amd64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
3.10.1-1· arm64 · trixieFixed · Fixed:
3.4.1~rc1-1dsa · nettle · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_4193-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-16869]
- [https://osv.dev/vulnerability/SUSE-SU-2018:4193-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-16869]
- [https://osv.dev/vulnerability/USN-4990-1]
- [https://security-tracker.debian.org/tracker/CVE-2018-16869]
- [https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-16869.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]