CVE-2026-8954Disclosure(mozilla / firefox)

LOWCVSS 7.5 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

Patch mozilla firefox systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thunderbird 140.11.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

Other references

https://bugzilla.mozilla.org/show_bug.cgi?id=2030747

Weakness type (CWE)

CWE-119

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

firefox
thunderbird

Threat summary

Patch or workaround signal is available
2 mentions across 1 observed day

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 2 signals
Disclosure: 2 classified signals
2 total mentions across 1 day

Affected systems

Vendors

mozilla

Products

firefoxthunderbird

Deep dive

Activity timeline2 mentions / 1d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

Infoflowcloud@infoflowcloud142d
Disclosure
🚨*CVE* CVE-2026-8954 Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thun… https://www.cve.org/CVERecord?id=CVE-2026-8954 ----- Traducción: CVE-2026-8954 Con… http://infoflow.cloud`
Post summary
The tweet announces CVE‑2026‑8954, an integer overflow bug in an audio/video component, notes it was fixed in recent Firefox and Thunderbird releases, and links to the official CVE record, but provides no PoC, exploit code, or evidence of active exploitation.
0000052
78 followersView on X
CVE@CVEnew142d
Disclosure
CVE-2026-8954 Incorrect boundary conditions, integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 151, Firefox ESR 140.11, Thunderbird 151, and Thun… https://www.cve.org/CVERecord?id=CVE-2026-8954
Post summary
CVE-2026-8954 highlights an integer overflow in the Audio/Video component, with fixes available in recent Firefox and Thunderbird releases.
00000179
57.5K followersView on X

CPE platform detail3 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

3 of 3 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	mozilla	firefox	-	-	-
App	mozilla	firefox	-	-	-
App	mozilla	thunderbird	-	-	-

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