CVE catalog
CVE-2017-7502
nss: CVE-2017-7502
- Severity
- High · CVSS 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.30% · Oct 25, 2026
Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
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 |
| 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 | 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 | 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 | 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 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | nss | source | sid | 2:3.26.2-1.1 | not yet assigned | Not reported | [863839] |
| Debian | nss | source | forky | 2:3.26.2-1.1 | not yet assigned | Not reported | [863839] |
| Debian | nss | source | trixie | 2:3.26.2-1.1 | not yet assigned | Not reported | [863839] |
| Debian | nss | source | bookworm | 2:3.26.2-1.1 | not yet assigned | Not reported | [863839] |
| Ubuntu | nss | deb | 14.04 | 2:3.28.4-0ubuntu0.14.04.2 | Not reported | UBUNTU-CVE-2017-7502 | Not reported |
| Ubuntu | nss | deb | 16.04 | 2:3.28.4-0ubuntu0.16.04.2 | Not reported | UBUNTU-CVE-2017-7502 | Not reported |
| Ubuntu | nss | deb | 14.04 | 2:3.28.4-0ubuntu0.14.04.2 | Not reported | USN-3336-1 | Not reported |
| Ubuntu | nss | deb | 16.04 | 2:3.28.4-0ubuntu0.16.04.2 | Not reported | USN-3336-1 | 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:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
- [libnss3-dev]Unknown
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
- [libnss3-tools]Unknown
Source package: [nss]
Details (4)
2:3.87.1-1+deb12u2· amd64 · bookwormFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u2· arm64 · bookwormFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· amd64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · bookworm; dsa · nss · debian · 12
2:3.87.1-1+deb12u4· arm64 · bookworm-securityFixed · Fixed:
2:3.26.2-1.1dsa · 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:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
- [libnss3-dev]Unknown
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
- [libnss3-tools]Unknown
Source package: [nss]
Details (4)
2:3.110-1+deb13u3· amd64 · trixieFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u3· arm64 · trixieFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· amd64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
2:3.110-1+deb13u4· arm64 · trixie-securityFixed · Fixed:
2:3.26.2-1.1dsa · nss · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2017_1365.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2017-7502]
- [https://osv.dev/vulnerability/DLA-971-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2017-7502]
- [https://osv.dev/vulnerability/USN-3336-1]
- [https://security-tracker.debian.org/tracker/CVE-2017-7502]
- [https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-7502.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]