CVE-2022-41343

Exp

registerFont in FontMetrics.php in Dompdf before 2.0.1 allows remote file inclusion because a URI validation failure does not halt font registration, as demonstrated by a @font-face rule.

Published: 2022-09-25 Last update: 2025-05-22 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-41343 is rated High Exploit Risk (77.9/100): CVSS High severity, with high exploitation likelihood (EPSS 54.02%, 98th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2022-41343

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2022-41343

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 2026-05-18 55.42% 54.02% -1.39%
2 2026-03-21 53.13% 55.42% +2.29%
3 2026-03-04 — 53.13% —

Full EPSS history (55 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-41343

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:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N 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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2022-41343

GitHub Security Advisory for CVE-2022-41343

GHSA-6x28-7h8c-chx4 · Severity: high · Ecosystem: composer — Dompdf allows remote file inclusion because URI validation failure does not halt font registration

OS Trackers for CVE-2022-41343

vendor priority summary link
debian unimportant CVE-2022-41343 unimportant priority: Debian including 1 source packages (php-dompdf), 3 status rows across 3 suites (bookworm, bullseye, sid): resolved 3. https://security-tracker.debian.org/tracker/CVE-2022-41343
ubuntu medium CVE-2022-41343 medium priority: Ubuntu including 1 source packages (php-dompdf), 8 status rows across 8 suites (bionic, focal, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 5, DNE 1, ignored 1, released 1. https://ubuntu.com/security/CVE-2022-41343

Affected software / configurations for CVE-2022-41343

Vendor Product Version Raw CPE
dompdf_project dompdf < 2.0.1 cpe:2.3:a:dompdf_project:dompdf:*:*:*:*:*:*:*:*

References for CVE-2022-41343

URL Tags
https://github.com/dompdf/dompdf/issues/2994 Exploit Issue Tracking Patch Third Party Advisory
https://github.com/dompdf/dompdf/pull/2995 Patch Third Party Advisory
https://github.com/dompdf/dompdf/releases/tag/v2.0.1 Release Notes Third Party Advisory
https://tantosec.com/blog/cve-2022-41343/ Exploit Third Party Advisory
cvelogic Threat Intelligence