The vulnerability of the Protection component in the Firefox web browser and the Thunderbird email client allows attackers to access confidential data.

🗓️ 10 Aug 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType

The vulnerability of the Protection component in the Firefox web browser and the Thunderbird email client relates to the disclosure of information. Exploiting this vulnerability can allow a malicious actor to gain access to confidential data.

Reporter	Title	Published	Views	Family All 49
FreeBSD	Mozilla -- Information disclosure in the IP Protection component	21 Apr 202600:00	–	freebsd
ATTACKERKB	CVE-2026-6782	21 Apr 202612:41	–	attackerkb
AlpineLinux	CVE-2026-6782	21 Apr 202612:41	–	alpinelinux
AstraLinux	Astra Linux – Vulnerability in Firefox	5 Aug 202612:44	–	astralinux
Chainguard	CVE-2026-6782 vulnerabilities	1 Jul 202614:17	–	cgr
Circl	CVE-2026-6782	21 Apr 202619:25	–	circl
CNNVD	Mozilla Firefox和Mozilla Thunderbird 安全漏洞	21 Apr 202600:00	–	cnnvd
CVE	CVE-2026-6782	21 Apr 202612:41	–	cve
Cvelist	CVE-2026-6782 Information disclosure in the IP Protection component	21 Apr 202612:41	–	cvelist
Debian CVE	CVE-2026-6782	21 Apr 202612:41	–	debiancve

Vulners

Node

mozilla firefoxRange<150.0

mozilla thunderbirdRange<150.0

Source	Link
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-6782
security-tracker	www.security-tracker.debian.org/tracker/CVE-2026-6782
mozilla	www.mozilla.org/en-US/security/advisories/mfsa2026-30/
mozilla	www.mozilla.org/en-US/security/advisories/mfsa2026-33/
mozilla	www.mozilla.org/security/advisories/mfsa2026-30/
wiki	www.wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0805SE18HF
ubuntu	www.ubuntu.com/security/CVE-2026-6782
web	www.web.nvd.nist.gov/view/vuln/detail
mozilla	www.mozilla.org/security/advisories/mfsa2026-30.html
mozilla	www.mozilla.org/security/advisories/mfsa2026-33.html

10 Aug 2026 00:00Current

7.2High risk

Vulners AI Score7.2

CVSS 37.5

CVSS 27.8

EPSS0.00253