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The vulnerability in the Cocoa widget of Mozilla Firefox, Firefox ESR, and the Thunderbird email client allows attackers to compromise the accessibility of protected information.
🗓️ 19 Jun 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 261 |
|---|---|---|---|---|
 | Mozilla -- Use-after-free | 21 Apr 202600:00 | – | freebsd |
 | CVE-2026-6759 | 21 Apr 202612:40 | – | attackerkb |
 | AlmaLinux 9 : firefox (ALSA-2026:10757) | 30 Apr 202600:00 | – | nessus |
| AlmaLinux 8 : firefox (ALSA-2026:10766) | 29 Apr 202600:00 | – | nessus |
| AlmaLinux 10 : firefox (ALSA-2026:10767) | 30 Apr 202600:00 | – | nessus |
| AlmaLinux 10 : thunderbird (ALSA-2026:12285) | 3 May 202600:00 | – | nessus |
| AlmaLinux 8 : thunderbird (ALSA-2026:13537) | 5 May 202600:00 | – | nessus |
| AlmaLinux 9 : thunderbird (ALSA-2026:15892) | 13 May 202600:00 | – | nessus |
| Fedora 42 : firefox / nss (2026-69538c9f7e) | 28 Apr 202600:00 | – | nessus |
| Fedora 43 : firefox / nss (2026-c0a4f03150) | 5 May 202600:00 | – | nessus |
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19 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 37.5
CVSS 27.8
EPSS0.00363