Description
Multiple heap-based buffer overflows in Mozilla Thunderbird before 1.5.0.9 and SeaMonkey before 1.0.7 allow remote attackers to execute arbitrary code via (1) external message modies with long Content-Type headers or (2) long RFC2047-encoded (MIME non-ASCII) headers.
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 3.1 | mozilla | 2:1.7.8-1sarge10 | DSA-1265-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | devhelp +1 | 0.10-0.6.el4 | RHSA-2006:0759 |
| RHEL 4 | seamonkey +5 | 1.0.7-0.1.el4 | RHSA-2006:0759 |
| RHEL 4 | thunderbird | 1.5.0.9-0.1.el4 | RHSA-2006:0760 |
| RHEL 3 | seamonkey +9 | 1.0.7-0.1.el3 | RHSA-2006:0759 |
| RHEL 2 | seamonkey +9 | 1.0.7-0.1.el2 | RHSA-2006:0759 |
Advisories 3
- RHSA-2006:0759 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2006:0760 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1265-1 mozilla Debian Security (DSA / DLA) · Mar 9, 2026
References
- 102800 vendor-advisory
- 21668 vdb-entry
- 23433 third-party-advisory
- 23439 third-party-advisory
- 23672 third-party-advisory
- ADV-2006-5068 vdb-entry
- 23468 third-party-advisory
- 23598 third-party-advisory
- DSA-1265 vendor-advisory
- 23692 third-party-advisory
- 1017420 vdb-entry
- GLSA-200701-04 vendor-advisory
- 24390 third-party-advisory
- FEDORA-2006-1491 vendor-advisory
- 23422 third-party-advisory
- 23591 third-party-advisory
- RHSA-2006:0759 vendor-advisory
- VU#887332 third-party-advisory
- ADV-2008-0083 vdb-entry
- FEDORA-2007-004 vendor-advisory
- 24108 third-party-advisory
- 23420 third-party-advisory
- ADV-2007-0573 vdb-entry
- SUSE-SA:2006:080 vendor-advisory
- 20061222 rPSA-2006-0234-1 firefox mailing-list
- 23545 third-party-advisory
- 23618 third-party-advisory
- GLSA-200701-03 vendor-advisory
- TA06-354A third-party-advisory
- http://www.mozilla.org/security/announce/2006/mfsa2006-74.html
- oval:org.mitre.oval:def:11565 vdb-entry signature
- https://issues.rpath.com/browse/RPL-883
- 20070102 rPSA-2006-0234-2 firefox thunderbird mailing-list
- 1017419 vdb-entry
- SUSE-SA:2007:006 vendor-advisory
- 23601 third-party-advisory
- MDKSA-2007:011 vendor-advisory
- 23514 third-party-advisory
- RHSA-2006:0760 vendor-advisory
- USN-400-1 vendor-advisory