CVE-2026-100782
EUVD-2026-8893429.09.2026, 13:17
Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, Thunderbird 140.17, Thunderbird 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 115.42.0 |
| mozilla | firefox | 116.0 ≤ 𝑥 < 140.17.0 |
| mozilla | firefox | 141.0 ≤ 𝑥 < 153.4.0 |
| mozilla | thunderbird | 𝑥 < 140.17.0 |
| mozilla | thunderbird | 141.0 ≤ 𝑥 < 153.4.0 |
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources
(CNA/ADP records, vendor advisories, Enginsight analysis).
| Vendor | Product | Version | Source |
|---|---|---|---|
| mozilla | firefox | 154.0.0 ≤ 𝑥 < 157.0.0 | CNA |
| mozilla | firefox_esr | 𝑥 < 115.42.0 | CNA |
| mozilla | firefox_esr | 116.0 ≤ 𝑥 < 140.17.0 | CNA |
| mozilla | firefox_esr | 141.0 ≤ 𝑥 < 153.4.0 | CNA |
| mozilla | thunderbird | 154.0 ≤ 𝑥 < 157.0 | CNA |
| mozilla | thunderbird_esr | 𝑥 < 140.17.0 | CNA |
| mozilla | thunderbird_esr | 141.0 ≤ 𝑥 < 153.4.0 | CNA |
Debian Releases
Debian Product | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||||
| firefox-esr |
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| thunderbird |
|
Ubuntu Releases
Ubuntu Product | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||
| thunderbird |
| ||||||||||
| mozjs38 |
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| mozjs52 |
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| mozjs68 |
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| mozjs78 |
| ||||||||||
| mozjs91 |
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| mozjs102 |
| ||||||||||
| mozjs115 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
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| MozillaFirefox-devel |
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| MozillaFirefox-translations-common |
| ||||||||||||||||||||||
| MozillaFirefox-translations-other |
| ||||||||||||||||||||||
| MozillaThunderbird |
| ||||||||||||||||||||||
| MozillaThunderbird-translations-common |
| ||||||||||||||||||||||
| MozillaThunderbird-translations-other |
|
Red Hat Enterprise Linux Releases
Amazon Linux Releases
Common Weakness Enumeration
Vulnerability Media Exposure
References