CVE-2025-4086

mediumpriority · track · 0EPSS 0.003 · 21 %ileDEEUNLUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.29% (21st) EPSS

CVSS 6.5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · ncsc_nl

EPSS · scored 2026-10-27

A specially crafted filename containing a large number of encoded newline characters could obscure the file's extension when displayed in the download dialog. *This bug only affects Thunderbird for Android. Other versions of Thunderbird are unaffected.*. This vulnerability was fixed in Firefox 138 and Thunderbird 138.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondaryexploitability 3.9 · impact 2.5

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Nsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1021USCWE-451US

affected products (10)

Products and version ranges known to be affected.

Xerox FreeFlow Print Serverall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Xerox FreeFlow Print Server v7all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v7
Mozilla Firefox≤ vers:mozilla/<138ncsc_nlNL
Mozilla Firefox ESR≤ vers:mozilla/<128.10ncsc_nlNL
Mozilla Firefox ESR≤ vers:mozilla/<115.23ncsc_nlNL
Mozilla Thunderbird≤ vers:mozilla/<138ncsc_nlNL
Mozilla Thunderbird ESR≤ vers:mozilla/<128.10ncsc_nlNL
mozilla firefox< 138.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla thunderbird< 138.0nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0142Kwetsbaarheden verholpen in Mozilla Firefox en ThunderbirdNL2025-05-06csaf · ncsc_nlNL
Mozilla heeft kwetsbaarheden verholpen in Firefox en Thunderbird (Specifiek voor versies onder 138 en 128.10).
WID-SEC-W-2025-0901Mozilla Firefox, Firefox ESR, Thunderbird and Thunderbird ESR: Mehrere SchwachstellenDeutsch2025-04-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellenin Mozilla Firefox, Firefox ESR, Thunderbird und Thunderbird ESR ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Sicherheitsmaßnahmen zu umgehen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen preiszugeben, Daten zu manipulieren oder andere nicht spezifizierte Angriffe durchzuführen.
WID-SEC-W-2025-1850Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2025-08-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2025-04-29modified 2026-09-30

references (11)

External citations — patches, advisories, analysis.

scry

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