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CVE-2009-1833

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and...

9.3 High

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c; and other vectors.

Exploit likelihood

9.18%Up 2.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c; and other vectors.

Record
CVE-2009-1833
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-94
Updated
2026-11-02
CVE List No score

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c; and other vectors.

Record
CVE-2009-1833
Updated
2026-11-02
EUVDEUVD-2009-1828 No score

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c; and other vectors.

Record
EUVD-2009-1828
Updated
2026-11-03
GitHub AdvisoriesGHSA-3f5w-q39v-gmmh No score

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and...

The JavaScript engine in Mozilla Firefox before 3.0.11, Thunderbird before 2.0.0.22, and SeaMonkey before 1.1.17 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to (1) js_LeaveSharpObject, (2) ParseXMLSource, and (3) a certain assertion in jsinterp.c; and other vectors.

Record
GHSA-3f5w-q39v-gmmh
Weakness
CWE-94
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
xulrunner
Debian:5.0
From an advisory covering 12 CVEs
before 1.9.0.11-0lenny1, plus listed versions
1.9.0.10-11.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny2
Show 4 moreShow less
1.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.11-0lenny1
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 11 CVEs
before 0:3.0.11-4.el4
0:3.0.11-4.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
Show 97 moreShow less
Affected packages
PackageAffectedFixed
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:3.0.11-2.el5_3
0:3.0.11-2.el5_3
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::server
From an advisory covering 11 CVEs
before 0:1.9.0.11-3.el5_3
0:1.9.0.11-3.el5_3
seamonkey
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-chat
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-mail
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-chat
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-mail
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-chat
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-mail
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-chat
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-mail
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 5 CVEs
before 0:1.0.9-0.38.el3
0:1.0.9-0.38.el3
seamonkey
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::as
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::es
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::ws
From an advisory covering 5 CVEs
before 0:1.0.9-43.el4_8
0:1.0.9-43.el4_8
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 9 CVEs
before 0:1.5.0.12-23.el4
0:1.5.0.12-23.el4
thunderbird
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:2.0.0.22-2.el5_3
0:2.0.0.22-2.el5_3
thunderbird-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 11 CVEs
before 0:2.0.0.22-2.el5_3
0:2.0.0.22-2.el5_3
thunderbird
Red Hat:rhel_productivity:5
From an advisory covering 11 CVEs
before 0:2.0.0.22-2.el5_3
0:2.0.0.22-2.el5_3
thunderbird-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 11 CVEs
before 0:2.0.0.22-2.el5_3
0:2.0.0.22-2.el5_3

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-2009-1833 is a high vulnerability (CVSS 9.3) in Mozilla Firefox, published June 12, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.18%, the 95th percentile. No source names a fixed version.

References

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