CVE-2022-46871

An out of date library (libusrsctp) contained vulnerabilities that could potentially be exploited. This vulnerability affects Firefox < 108.

Published: 2022-12-22 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-46871 is rated Moderate Risk (54.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.89%). 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-2022-46871

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 0.79% 0.89% +0.11%
2 2026-05-13 0.93% 0.79% -0.15%
3 2026-05-12 — 0.93% —

Full EPSS history (28 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-46871

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 [email protected]
8.8 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/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:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 5.9 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-46871

OS Trackers for CVE-2022-46871

vendor priority summary link
alpine — CVE-2022-46871: 2 source package rows (firefox, firefox-esr); 80 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 8, open 72. https://security.alpinelinux.org/vuln/CVE-2022-46871
debian not yet assigned CVE-2022-46871 not yet assigned priority: Debian including 4 source packages (firefox, firefox-esr, libusrsctp, thunderbird), 16 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 16. https://security-tracker.debian.org/tracker/CVE-2022-46871
gentoo high CVE-2022-46871: 2 GLSA(s) (202305-06, 202305-13), 4 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-46871
redhat high — https://access.redhat.com/security/cve/CVE-2022-46871
suse high CVE-2022-46871 severity important: SUSE including 53 source package names (MozillaFirefox-102.7.0-112.145.1, MozillaFirefox-102.7.0-150000.150.71.1, …), 211 product×package rows across 68 product lines (Container suse/kiosk/firefox-esr, Image SLES12-SP5-SAP-Azure-LI-BYOS-Production, … (68 product lines)): Fixed 211. https://www.suse.com/security/cve/CVE-2022-46871/
ubuntu medium CVE-2022-46871 medium priority: Ubuntu including 8 source packages (firefox, libusrsctp, …), 80 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 31, ignored 17, not-affected 16, released 14, needed 1, needs-triage 1. https://ubuntu.com/security/CVE-2022-46871

Affected software / configurations for CVE-2022-46871

Vendor Product Version Raw CPE
mozilla firefox < 108.0 cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
debian debian_linux 10.0 cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debian debian_linux 11.0 cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References for CVE-2022-46871

cvelogic Threat Intelligence