BDU:2026-08457Critical
BDU
BDU
Data Bank of Information Security Threats
BDU ФСТЭК is the authoritative Russian source of vulnerability information, covering both international CVEs relevant to domestic software and unique Russian-disclosed issues. Entries contain severity, affected product lists (in Russian), and mitigation recommendations.
Region
RU
Updates
1 ч
License
Открытые данные
Russian federal catalog of vulnerabilities and threats maintained by FSTEC. Required for compliance with Russian information security regulations (Приказ №17, Приказ №21).
https://bdu.fstec.ru →Share link
Anyone with the link can open this vulnerability.
Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird связана с выходом операции за границы буфера в памяти. Эк…
CVSS
9.8
Critical
EPSS
0.00
p0
Published
2026-01-01
Updated
2026-01-01
Description
Уязвимость браузеров Mozilla Firefox, Firefox ESR и почтового клиента Thunderbird связана с выходом операции за границы буфера в памяти. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код или вызвать отказ в обслуживании
Tags · CWE
Pre-auth
Affected products
Mozilla corp. FirefoxMozilla corp. FirefoxMozilla corp. Firefox esrMozilla corp. Firefox esrMozilla corp. Firefox esrMozilla corp. Firefox esrMozilla corp. ThunderbirdMozilla corp. ThunderbirdMozilla corp. ThunderbirdMozilla corp. Thunderbird
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2026-01-01
Published
2026-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.000 · p0
Known exploited (KEV)
No
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected software
| Product | Vendor | Status |
|---|---|---|
| firefox | mozilla corp. | Tracked |
| firefox | mozilla corp. | Tracked |
| firefox esr | mozilla corp. | Tracked |
| firefox esr | mozilla corp. | Tracked |
| firefox esr | mozilla corp. | Tracked |
| firefox esr | mozilla corp. | Tracked |
| thunderbird | mozilla corp. | Tracked |
| thunderbird | mozilla corp. | Tracked |
| thunderbird | mozilla corp. | Tracked |
| thunderbird | mozilla corp. | Tracked |
Source databases
BDU
BDU
Data Bank of Information Security Threats
BDU ФСТЭК is the authoritative Russian source of vulnerability information, covering both international CVEs relevant to domestic software and unique Russian-disclosed issues. Entries contain severity, affected product lists (in Russian), and mitigation recommendations.
Region
RU
Updates
1 ч
License
Открытые данные
Russian federal catalog of vulnerabilities and threats maintained by FSTEC. Required for compliance with Russian information security regulations (Приказ №17, Приказ №21).
https://bdu.fstec.ru →Related vulnerabilities