CVE catalog
CVE-2018-12384
nss: CVE-2018-12384
- Severity
- Medium · CVSS 4.8
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.48% · Oct 25, 2026
When handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.
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 | nss | sid | 2:3.131.1-1 | fixed |
| Debian | nss | forky | 2:3.131.1-1 | fixed |
| Debian | nss | trixie | 2:3.110-1+deb13u4 | fixed |
| Debian | nss | trixie-security | 2:3.110-1+deb13u4 | fixed |
| Debian | nss | bookworm | 2:3.87.1-1+deb12u2 | fixed |
| Debian | nss | bookworm-security | 2:3.87.1-1+deb12u4 | fixed |
| Alpine | nss | 3.10 | 3.39-r0 | fixed |
| Alpine | nss | 3.11 | 3.39-r0 | fixed |
| Alpine | nss | 3.12 | 3.39-r0 | fixed |
| Alpine | nss | 3.19 | 3.39-r0 | fixed |
| Alpine | nss | 3.20 | 3.39-r0 | fixed |
| Alpine | nss | 3.21 | 3.39-r0 | fixed |
| Alpine | nss | 3.22 | 3.39-r0 | fixed |
| Alpine | nss | 3.23 | 3.39-r0 | fixed |
| Alpine | nss | 3.24 | 3.39-r0 | fixed |
| Alpine | nss | 3.8 | 3.36.1-r1 | fixed |
| Alpine | nss | 3.9 | 3.39-r0 | fixed |
| Ubuntu | nss | 14.04 | 2:3.15.1-1ubuntu1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.2-1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.3-1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.3.1-1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.3.1-1.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.3.1-1.1ubuntu1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu3 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu4 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu5 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu6 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu7 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.15.4-1ubuntu7.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.17-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.17.1-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.17.1-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.17.4-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.19.2-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.19.2.1-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.19.2.1-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.21-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.21-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.23-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.26.2-0ubuntu0.14.04.3 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.28.4-0ubuntu0.14.04.1 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.28.4-0ubuntu0.14.04.2 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.28.4-0ubuntu0.14.04.3 | vulnerable |
| Ubuntu | nss | 14.04 | 2:3.28.4-0ubuntu0.14.04.4 | fixed |
| Ubuntu | nss | 16.04 | 2:3.19.2-1ubuntu1 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.19.2.1-0ubuntu1 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.21-1ubuntu2 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.21-1ubuntu3 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.21-1ubuntu4 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.23-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.26.2-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.28.4-0ubuntu0.16.04.1 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.28.4-0ubuntu0.16.04.2 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.28.4-0ubuntu0.16.04.3 | vulnerable |
| Ubuntu | nss | 16.04 | 2:3.28.4-0ubuntu0.16.04.4 | fixed |
| Ubuntu | nss | 18.04 | 2:3.32-1ubuntu3 | vulnerable |
| Ubuntu | nss | 18.04 | 2:3.34-1ubuntu1 | vulnerable |
| Ubuntu | nss | 18.04 | 2:3.35-2ubuntu2 | vulnerable |
| Ubuntu | nss | 18.04 | 2:3.35-2ubuntu2.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nss | source | sid | 2:3.39-1 | low | Not reported | [908332] |
| Debian | nss | source | forky | 2:3.39-1 | low | Not reported | [908332] |
| Debian | nss | source | trixie | 2:3.39-1 | low | Not reported | [908332] |
| Debian | nss | source | bookworm | 2:3.39-1 | low | Not reported | [908332] |
| Alpine | nss | apk | 3.10 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.11 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.12 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.19 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.20 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.21 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.22 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.23 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.24 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.8 | 3.36.1-r1 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Alpine | nss | apk | 3.9 | 3.39-r0 | Not reported | ALPINE-CVE-2018-12384 | Not reported |
| Ubuntu | nss | deb | 14.04 | 2:3.28.4-0ubuntu0.14.04.4 | Not reported | UBUNTU-CVE-2018-12384 | Not reported |
| Ubuntu | nss | deb | 16.04 | 2:3.28.4-0ubuntu0.16.04.4 | Not reported | UBUNTU-CVE-2018-12384 | Not reported |
| Ubuntu | nss | deb | 18.04 | 2:3.35-2ubuntu2.1 | Not reported | UBUNTU-CVE-2018-12384 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libnss3]Unknown
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
- [libnss3-dev]Unknown
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
- [libnss3-tools]Unknown
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · bookworm; dsa · nss · debian · 12
[Debian 13 (Trixie)]
- [libnss3]Unknown
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
- [libnss3-dev]Unknown
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
- [libnss3-tools]Unknown
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.39-1dsa · nss · debian · 13
Observed:
References
- [https://access.redhat.com/errata/RHSA-2018:2768]
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2018_2768.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2018-12384]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2018-12384]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2018-12384]
- [https://security-tracker.debian.org/tracker/CVE-2018-12384]
- [https://wid.cert-bund.de/.well-known/csaf/white/2019/wid-sec-w-2025-1212.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]