CRITICALCVSS 9.8Vulnerability

CVE-2026-8091

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.

Properties

severity
CRITICAL
cvss_severity
CRITICAL
cvss_score
9.8
epss_score
0.00596
retrieved_at
2026-09-25T06:03:36+00:00
last_source
FIRST EPSS
score
9.8
cve_id
CVE-2026-8091
cvss_vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
signal_observed_at
2026-09-11T17:55:57+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
published_at
2026-05-07T13:16:14.087
last_modified
2026-08-11T13:19:09.683
epss_percentile
0.46126

Related Entities (6)

ENRICHED_BY (1)

→[Source]FIRST EPSS

HAS_WEAKNESS (2)

→[Weakness]Buffer Access with Incorrect Length Value
→[Weakness]Improper Check for Unusual or Exceptional Conditions

DESCRIBED_BY (1)

→[Source]NVD

AFFECTS_PRODUCT (2)

→[Product]
→[Product]

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