Description
run-mozilla.sh in Thunderbird, with debugging enabled, allows local users to create or overwrite arbitrary files via a symlink attack on temporary files.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | thunderbird | 1.5.0.2-1 | — |
| Debian 13 | thunderbird | 1.5.0.2-1 | — |
| Debian 12 | thunderbird | 1.5.0.2-1 | — |
| Debian 3.1 | mozilla | 2:1.7.8-1sarge5 | DSA-1046-1 |
| Debian 3.1 | mozilla-thunderbird | 1.0.2-2.sarge1.0.8 | DSA-1051-1 |
Advisories 2
- DSA-1046-1 mozilla - several Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1051-1 mozilla-thunderbird - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 19941 third-party-advisory
- DSA-1051 vendor-advisory
- USN-157-1 vendor-advisory
- MDKSA-2005:173 vendor-advisory
- 19863 third-party-advisory
- MDKSA-2005:174 vendor-advisory
- DSA-1046 vendor-advisory
- 14443 vdb-entry