Description
Multiple cross-site scripting (XSS) vulnerabilities in Mozilla Firefox before 2.0.0.12, Thunderbird before 2.0.0.12, and SeaMonkey before 1.1.8 allow remote attackers to inject arbitrary web script or HTML via certain character encodings, including (1) a backspace character that is treated as whitespace, (2) 0x80 with Shift_JIS encoding, and (3) "zero-length non-ASCII sequences" in certain Asian character sets.
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 4.0 | iceape | 1.0.12~pre080131b-0etch1 | DSA-1506-1 |
| Debian 4.0 | icedove | 1.5.0.13+1.5.0.15b.dfsg1-0etch2 | DSA-1485-2 |
| Debian 4.0 | iceweasel | 2.0.0.12-0etch1 | DSA-1489-1 |
| Debian 4.0 | xulrunner | 1.8.0.15~pre080131b-0etch1 | DSA-1484-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | firefox | 1.5.0.12-9.el5 | RHSA-2008:0103 |
| RHEL 4 | firefox | 1.5.0.12-0.10.el4 | RHSA-2008:0103 |
| RHEL 4 | seamonkey +5 | 1.0.9-9.el4 | RHSA-2008:0104 |
| RHEL 3 | seamonkey +9 | 1.0.9-0.9.el3 | RHSA-2008:0104 |
| RHEL 2 | seamonkey +9 | 1.0.9-0.9.el2 | RHSA-2008:0104 |
Advisories 6
- RHSA-2008:0104 Red Hat Security Advisory: seamonkey security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2008:0103 Red Hat Security Advisory: firefox security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1489-1 iceweasel - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1506-1 iceape - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1484-1 xulrunner - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1485-2 icedove - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- TLSA-2008-9 vendor-advisory
- 29541 third-party-advisory
- firefox-character-encoding-xss(40488) vdb-entry
- JVNDB-2008-000021 third-party-advisory
- 30620 third-party-advisory
- 28865 third-party-advisory
- 28879 third-party-advisory
- 30327 third-party-advisory
- 238492 vendor-advisory
- USN-592-1 vendor-advisory
- DSA-1489 vendor-advisory
- 239546 vendor-advisory
- 28864 third-party-advisory
- DSA-1485 vendor-advisory
- ADV-2008-1793 vdb-entry
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=404252%2C381412%2C407161
- ADV-2008-2091 vdb-entry
- JVN#21563357 third-party-advisory
- TA08-087A third-party-advisory
- http://www.mozilla.org/security/announce/2008/mfsa2008-13.html
- DSA-1484 vendor-advisory
- 29303 vdb-entry
- GLSA-200805-18 vendor-advisory
- 31043 third-party-advisory
- 28839 third-party-advisory
- USN-576-1 vendor-advisory