CVE-2026-8091

highpriority · track · 0EPSS 0.005 · 40 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.47% (40th) EPSS

CVSS 7.5 · high

Is it mine?

33 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, Thunderbird 140.10.1, and Firefox ESR 115.35.2.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v3.17.5highAV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.6 · impact 5.9

ssvc

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

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-754USCWE-754USCWE-805USCWE-805US

affected products (33)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Mozilla Firefox <150.0.2all versionscert_bundDE
Mozilla Firefox ESR <115.35.2all versionscert_bundDE
Mozilla Firefox ESR <140.10.2all versionscert_bundDE
Mozilla Thunderbird <140.10.2all versionscert_bundDE
Mozilla Thunderbird <150.0.2all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 8all versionscert_bundDEcpe:/o:redhat:enterprise_linux:8
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Mozilla Firefox< 150.0.2cert_bundDE
Mozilla Firefox ESR< 115.35.2cert_bundDE
Mozilla Firefox ESR< 140.10.2cert_bundDE
Mozilla Thunderbird< 140.10.2cert_bundDE
Mozilla Thunderbird< 150.0.2cert_bundDE
Mozilla Corp. Firefox≤ 150fstec_bduRU
Mozilla Corp. Firefox ESR≤ 115.35.2fstec_bduRU
Mozilla Corp. Thunderbird≤ 140.10.1fstec_bduRU

showing 20 of 33

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1427Mozilla Firefox und Firefox ESR: Mehrere SchwachstellenDeutsch2026-05-07csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox und Mozilla Firefox ESR ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen, und um beliebigen Programmcode auszuführen.
WID-SEC-W-2026-2455Oracle Solaris Drittanbieterkomponenten: Mehrere SchwachstellenDeutsch2026-07-21csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in verschiedenen Komponenten von Drittanbietern in Oracle Solaris ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2026-05-07modified 2026-10-26

references (39)

External citations — patches, advisories, analysis.

scry

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