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The vulnerability of the Mozilla Firefox browser and the Thunderbird email client, related to a leaked file descriptor, allows attackers to escalate their privileges.

🗓️ 25 Jun 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 1 Views

Firefox and Thunderbird vulnerability allows remote privilege escalation via file descriptor escape.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
FreeBSD		Mozilla -- privilege escalation attack
1 Apr 202500:00
–freebsd
FreeBSD		Mozilla -- memory corruption
1 Apr 202500:00
–freebsd
ATTACKERKB		CVE-2025-3034
1 Apr 202513:15
–attackerkb
ATTACKERKB		CVE-2025-3032
1 Apr 202513:15
–attackerkb
AlpineLinux		CVE-2025-3032
1 Apr 202513:15
–alpinelinux
AlpineLinux		CVE-2025-3034
1 Apr 202513:15
–alpinelinux
AstraLinux		Astra Linux – Vulnerability in Firefox
16 Jun 202511:28
–astralinux
AstraLinux		Astra Linux – Vulnerability in Firefox
16 Jun 202511:28
–astralinux
BDU FSTEC		The vulnerability of the Mozilla Firefox browser and the Thunderbird email client relates to the execution of operations beyond the buffer in memory, allowing an attacker to execute arbitrary code.
28 Apr 202500:00
–bdu_fstec
Chainguard		CVE-2025-3032 vulnerabilities
7 Jan 202601:29
–cgr
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Vulners
Node
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04 Mar 2026 00:00Current
6.8Medium risk
Vulners AI Score6.8
CVSS 27.6
CVSS 38.1
EPSS0.0039
firefox vulnerabilitythunderbird vulnerabilityfile descriptor escapeprivilege escalationremote exploitation
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