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The vulnerability in the Custom Highlight API component of Mozilla Firefox, Firefox ESR, and the email client Thunderbird, Thunderbird ESR, allows a attacker to trigger a service failure.

🗓️ 05 Mar 2025 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 5 Views

Vulnerability in the Custom Highlight API of Firefox, Firefox ESR, and Thunderbird can cause service failures via memory after free.

Related
Detection
Refs
Vulners
Node
OROROROR
mozillafirefox_esrRange<115.20

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04 Mar 2026 00:00Current
7.7High risk
Vulners AI Score7.7
CVSS 39.8
CVSS 210
EPSS0.00432
5