Description
Mozilla Thunderbird before 2.0.0.24 and SeaMonkey before 1.1.19 process e-mail attachments with a parser that performs casts and line termination incorrectly, which allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted message, related to message indexing.
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 5.0 | icedove | 2.0.0.24-0lenny1 | DSA-2025-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | thunderbird | 2.0.0.24-2.el5_4 | RHSA-2010:0153 |
| RHEL 4 | seamonkey +5 | 1.0.9-58.el4_8 | RHSA-2010:0499 |
| RHEL 4 | thunderbird | 1.5.0.12-25.el4 | RHSA-2010:0154 |
| RHEL 3 | seamonkey +9 | 1.0.9-0.55.el3 | RHSA-2010:0499 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhel Productivity 5 | thunderbird | 2.0.0.24-2.el5_4 | RHSA-2010:0153 |
Advisories 4
- RHSA-2010:0499 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2010:0154 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2025-1 icedove - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2010:0153 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jan 14, 2026
References
- 39001 third-party-advisory
- ADV-2010-0648 vdb-entry
- oval:org.mitre.oval:def:14259 vdb-entry signature
- RHSA-2010:0499 vendor-advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=505221
- ADV-2010-1556 vdb-entry
- SUSE-SR:2010:013 vendor-advisory
- 38977 third-party-advisory
- thunderbird-messages-dos(56993) vdb-entry
- 38831 vdb-entry
- USN-915-1 vendor-advisory
- oval:org.mitre.oval:def:10805 vdb-entry signature
- http://www.mozilla.org/security/announce/2010/mfsa2010-07.html