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CVE-2009-1571

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x...

10.0 High

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

Exploit likelihood

6.51%Down 5.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

Record
CVE-2009-1571
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-94
Updated
2026-11-02
CVE List No score

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

Record
CVE-2009-1571
Updated
2026-11-02
EUVDEUVD-2009-1567 No score

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

Record
EUVD-2009-1567
Updated
2026-11-03
GitHub AdvisoriesGHSA-prv5-qjj9-xp4f No score

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x...

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

Record
GHSA-prv5-qjj9-xp4f
Weakness
CWE-94
Updated
2026-11-02
OSVopenSUSE-SU-2024:10218-1 No score

seamonkey-2.40-6.1 on GA media

These are all security issues fixed in the seamonkey-2.40-6.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10218-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:10230-1 No score

MozillaThunderbird-45.5.1-1.1 on GA media

These are all security issues fixed in the MozillaThunderbird-45.5.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10230-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
xulrunner
Debian:5.0
From an advisory covering 7 CVEs
 before 1.9.0.18-1, plus listed versions
1.9.0.10-11.9.0.11-0lenny11.9.0.11-11.9.0.12-0lenny11.9.0.12-1
Show 14 moreShow less
1.9.0.13-0lenny11.9.0.13-11.9.0.14-0lenny11.9.0.14-11.9.0.15-0lenny11.9.0.16-11.9.0.5-11.9.0.6-11.9.0.7-0lenny11.9.0.7-0lenny21.9.0.7-11.9.0.8-11.9.0.9-0lenny21.9.0.9-1
1.9.0.18-1
firefox
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el4
0:3.0.18-1.el4
xulrunner
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
Show 98 moreShow less
Affected packages
PackageAffectedFixed
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
firefox
Red Hat:enterprise_linux:5::client
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el5_4
0:3.0.18-1.el5_4
firefox-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el5_4
0:3.0.18-1.el5_4
xulrunner
Red Hat:enterprise_linux:5::client
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
firefox
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el5_4
0:3.0.18-1.el5_4
firefox-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:3.0.18-1.el5_4
0:3.0.18-1.el5_4
xulrunner
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
xulrunner-devel-unstable
Red Hat:enterprise_linux:5::server
From an advisory covering 8 CVEs
 before 0:1.9.0.18-1.el5_4
0:1.9.0.18-1.el5_4
seamonkey
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-chat
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-mail
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-chat
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-mail
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-chat
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-mail
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-chat
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-dom-inspector
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-js-debugger
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-mail
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nspr-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey-nss-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-0.50.el3
0:1.0.9-0.50.el3
seamonkey
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-chat
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-dom-inspector
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-js-debugger
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
seamonkey-mail
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.0.9-52.el4_8
0:1.0.9-52.el4_8
thunderbird
Red Hat:enterprise_linux:5::client
From an advisory covering 19 CVEs
 before 0:2.0.0.24-2.el5_4
0:2.0.0.24-2.el5_4
thunderbird-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 19 CVEs
 before 0:2.0.0.24-2.el5_4
0:2.0.0.24-2.el5_4
thunderbird
Red Hat:rhel_productivity:5
From an advisory covering 19 CVEs
 before 0:2.0.0.24-2.el5_4
0:2.0.0.24-2.el5_4
thunderbird-debuginfo
Red Hat:rhel_productivity:5
From an advisory covering 19 CVEs
 before 0:2.0.0.24-2.el5_4
0:2.0.0.24-2.el5_4
thunderbird
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
thunderbird-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 19 CVEs
 before 0:1.5.0.12-25.el4
0:1.5.0.12-25.el4
MozillaThunderbird
openSUSE:Tumbleweed
From an advisory covering 560 CVEs
 before 45.5.1-1.1
45.5.1-1.1

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-2009-1571 is a high vulnerability (CVSS 10.0) in Mozilla Firefox, published February 18, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.51%, the 93rd percentile. No source names a fixed version.

References

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