CVE-2026-74988
EUVD-2026-6069918.08.2026, 13:17
Internally found bugs present in Thunderbird ESR 153.0 and Thunderbird 153. Some of these bugs showed evidence of memory corruption or another security-relevant defect and we presume that with enough effort some of these could have been exploited. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| mozilla | firefox | 𝑥 < 153.1.0 |
| mozilla | thunderbird | 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 | 141.0.0 ≤ 𝑥 < 153.1.0 | CNA |
| mozilla | thunderbird | 𝑥 < 154 | CNA |
| mozilla | thunderbird_esr | 141.0.0 ≤ 𝑥 < 153.1.0 | CNA |
Ubuntu Releases
Ubuntu Product | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| firefox |
| ||||||||||
| thunderbird |
| ||||||||||
| mozjs38 |
| ||||||||||
| mozjs52 |
| ||||||||||
| mozjs68 |
| ||||||||||
| mozjs78 |
| ||||||||||
| mozjs91 |
| ||||||||||
| mozjs102 |
| ||||||||||
| mozjs115 |
|
openSUSE / SLES Releases
openSUSE Product | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MozillaFirefox |
| ||||||||||||||||||||||||
| MozillaFirefox-branding-SLE-153 |
| ||||||||||||||||||||||||
| MozillaFirefox-devel |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-common |
| ||||||||||||||||||||||||
| MozillaFirefox-translations-other |
|
Amazon Linux Releases
Common Weakness Enumeration
Vulnerability Media Exposure
References