CVE-2026-75874
EUVD-2026-6067418.08.2026, 13:17
Sandbox escape in the Remote Settings Client component. This vulnerability was fixed in Firefox 154, Thunderbird 154, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 140.15, and Thunderbird 153.2.Enginsight
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
| Vendor | Product | Version | Source |
|---|---|---|---|
| mozilla | firefox | 𝑥 < 154.0.0 | CNA |
| mozilla | thunderbird | 𝑥 < 154.0 | CNA |
| mozilla | firefox_esr | 𝑥 < 115.40 | CNA |
| mozilla | firefox_esr | 116.0.0 ≤ 𝑥 < 140.15 | CNA |
| mozilla | firefox_esr | 141.0.0 ≤ 𝑥 < 153.2 | CNA |
| mozilla | thunderbird_esr | 𝑥 < 140.15 | CNA |
| mozilla | thunderbird_esr | 141.0.0 ≤ 𝑥 < 153.2 | CNA |
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
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| firefox-esr |
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| thunderbird |
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Ubuntu Releases
Ubuntu Product | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||
| thunderbird |
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| mozjs38 |
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| mozjs52 |
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| mozjs68 |
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| mozjs78 |
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| mozjs91 |
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| mozjs102 |
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| mozjs115 |
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openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
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| MozillaFirefox-branding-SLE-153 |
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| MozillaFirefox-devel |
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| MozillaFirefox-translations-common |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-other |
|
Red Hat Enterprise Linux Releases
Common Weakness Enumeration
Vulnerability Media Exposure
References