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CVE-2009-1837

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime...

7.5 High

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.33%Down 5.6 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.

Record
CVE-2009-1837
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-362, CWE-416
Updated
2026-11-02
CVE List No score

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.

Record
CVE-2009-1837
Updated
2026-11-02
EUVDEUVD-2009-1832 No score

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.

Record
EUVD-2009-1832
Updated
2026-11-03
GitHub AdvisoriesGHSA-jcp3-xfrr-gf86 7.5

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime...

Race condition in the NPObjWrapper_NewResolve function in modules/plugin/base/src/nsJSNPRuntime.cpp in xul.dll in Mozilla Firefox 3 before 3.0.11 might allow remote attackers to execute arbitrary code via a page transition during Java applet loading, related to a use-after-free vulnerability for memory associated with a destroyed Java object.

Record
GHSA-jcp3-xfrr-gf86
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-362
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 13 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

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-2009-1837 is a high vulnerability (CVSS 7.5) 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 4.33%, the 91st percentile. No source names a fixed version.

References

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