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CVE-2005-2261

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K...

7.5 High

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Exploit likelihood

3.59%Down 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Record
CVE-2005-2261
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated
2026-11-02
CVE List No score

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Record
CVE-2005-2261
Updated
2026-11-02
EUVDEUVD-2005-2262 No score

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Record
EUVD-2005-2262
Updated
2026-11-03
GitHub AdvisoriesGHSA-j45r-pcwj-8g72 No score

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K...

Firefox before 1.0.5, Thunderbird before 1.0.5, Mozilla before 1.7.9, Netscape 8.0.2, and K-Meleon 0.9 runs XBL scripts even when Javascript has been disabled, which makes it easier for remote attackers to bypass such protection.

Record
GHSA-j45r-pcwj-8g72
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mozilla-firefox
Debian:3.1
From an advisory covering 11 CVEs
 before 1.0.4-2sarge2, plus listed versions
1.0.4-21.0.4-2sarge1
1.0.4-2sarge2
mozilla-firefox
Debian:3.1
From an advisory covering 11 CVEs
 before 1.0.4-2sarge3, plus listed versions
1.0.4-21.0.4-2sarge11.0.4-2sarge2
1.0.4-2sarge3
mozilla-thunderbird
Debian:3.1
From an advisory covering 9 CVEs
 before 1.0.2-2.sarge1.0.6, plus listed versions
1.0.2-2
1.0.2-2.sarge1.0.6
mozilla
Debian:3.1
From an advisory covering 10 CVEs
 before 2:1.7.8-1sarge2, plus listed versions
2:1.7.8-12:1.7.8-1sarge1
2:1.7.8-1sarge2
mozilla
Debian:4.0
From an advisory covering 10 CVEs
 before 2:1.7.8-1sarge2, plus listed versions
19981008-0.12:1.0.0-0.woody.12:1.7.5-12:1.7.6-12:1.7.7-12:1.7.7-22:1.7.8-12:1.7.8-1sarge1
2:1.7.8-1sarge2
mozilla-firefox
Debian:4.0
From an advisory covering 13 CVEs
 before 1.0.4-2sarge3, plus listed versions
0.10.1+1.0PR-21.0+dfsg.1-61.0.1-11.0.1-21.0.1-3
Show 9 moreShow less
1.0.2-11.0.2-21.0.2-31.0.3-11.0.3-21.0.4-11.0.4-21.0.4-2sarge11.0.4-2sarge2
1.0.4-2sarge3
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
Show 24 moreShow less
Affected packages
PackageAffectedFixed
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 13 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
devhelp
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
devhelp-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
 before 0:0.9.2-2.4.6
0:0.9.2-2.4.6
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 9 CVEs
 before 0:1.0.6-1.4.1
0:1.0.6-1.4.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-2261 is a high vulnerability (CVSS 7.5) in Mozilla Firefox, published July 13, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.59%, the 89th percentile. No source names a fixed version.

References

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