CVE-2026-74983
EUVD-2026-6067118.08.2026, 13:17
Mitigation bypass in the Data Loss Prevention component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 140.14.0 |
| mozilla | firefox | 141.0 ≤ 𝑥 < 153.1.0 |
| mozilla | thunderbird | 𝑥 < 140.14.0 |
| mozilla | thunderbird | 141.0 ≤ 𝑥 < 153.1.0 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mozilla | firefox | 𝑥 < 154 | CNA |
| mozilla | firefox_esr | 116.0.0 ≤ 𝑥 < 140.14.0 | CNA |
| mozilla | firefox_esr | 141.0 ≤ 𝑥 < 153.1.0 | CNA |
| mozilla | thunderbird | 𝑥 < 154 | CNA |
| mozilla | thunderbird_esr | 𝑥 < 140.14.0 | CNA |
| mozilla | thunderbird_esr | 141.0 ≤ 𝑥 < 153.1.0 | CNA |
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| firefox-esr |
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| thunderbird |
|
Ubuntu Releases
Ubuntu Product | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||
| thunderbird |
| ||||||||||
| mozjs38 |
| ||||||||||
| mozjs52 |
| ||||||||||
| mozjs68 |
| ||||||||||
| mozjs78 |
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| mozjs91 |
| ||||||||||
| mozjs102 |
| ||||||||||
| mozjs115 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
| ||||||||||||||||||||||||
| MozillaFirefox-branding-SLE-153 |
| ||||||||||||||||||||||||
| MozillaFirefox-devel |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-common |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-other |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Common Weakness Enumeration
Vulnerability Media Exposure
References