CVE-2022-3479

A vulnerability found in nss. By this security vulnerability, nss client auth crash without a user certificate in the database and this can lead us to a segmentation fault or crash.

Published: 2022-10-14 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-3479 is rated Moderate Risk (47.3/100): CVSS High severity, with low exploitation likelihood (EPSS 0.70%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-3479

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.20% 0.70% +0.50%
2 2025-11-21 0.34% 0.20% -0.14%
3 2025-11-18 — 0.34% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-3479

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2022-3479

OS Trackers for CVE-2022-3479

vendor priority summary link
alpine — CVE-2022-3479: 1 source package rows (nss); 55 state rows across 7 repos (3.17-community, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-community, edge-main); fixed 1, open 54. https://security.alpinelinux.org/vuln/CVE-2022-3479
debian unimportant CVE-2022-3479 unimportant priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2022-3479
gentoo high CVE-2022-3479: 1 GLSA(s) (202212-05), 1 atom(s) (dev-libs/nss); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-3479
redhat medium — https://access.redhat.com/security/cve/CVE-2022-3479
suse medium CVE-2022-3479 severity moderate: SUSE including 442 source package names (10.1.33-openjdk11-59.4:libfreebl3-3.79.3-150400.3.23.1, 10.1.33-openjdk11-59.4:libsoftokn3-3.79.3-150400.3.23.1, …), 1776 product×package rows across 313 product lines (Container bci/bci-sle15-kernel-module-devel, Container bci/kiwi, … (313 product lines)): Fixed 1545, Known Affected 231. https://www.suse.com/security/cve/CVE-2022-3479/
ubuntu low CVE-2022-3479 low priority: Ubuntu including 1 source packages (nss), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 6, needs-triage 1, released 1. https://ubuntu.com/security/CVE-2022-3479

Affected software / configurations for CVE-2022-3479

Vendor Product Version Raw CPE
mozilla network_security_services >= 3.77, < 3.87 cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*

References for CVE-2022-3479

URL Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1774654 Issue Tracking Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2134331 Issue Tracking Third Party Advisory
https://security.gentoo.org/glsa/202212-05 Third Party Advisory
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