Track vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
Firefox and Thunderbird may crash due to data size error
published 3 months ago
Summary
The security libraries used by Firefox and Thunderbird can mishandle very large numbers, which could cause the programs to stop working or behave unpredictably. This issue has been corrected in the latest versions of both applications. Update to the newest release to protect your systems.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Echo | echo | nss | All versions |
Original advisory text
ECHO-f87a-91cc-01f2
References
Timeline
Published22 Jul 2026
Updated22 Jul 2026
First seen22 Jul 2026
Sources
ECHO-f87a-91cc-01f2 · OSV
Track software like this
Free during beta