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 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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 2.0
- 10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 6.51% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- mozilla/firefox · mozilla/seamonkey
- Source
- PSIRT-CNA@flexerasoftware.com
EPSS 6.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035426.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036097.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036132.html
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00001.html
- http://secunia.com/advisories/37242Vendor Advisory
- http://secunia.com/advisories/38770
- http://secunia.com/advisories/38772
- http://secunia.com/advisories/38847
- http://secunia.com/secunia_research/2009-45/Vendor Advisory
- http://www.debian.org/security/2010/dsa-1999
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:042
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:051
- http://www.mozilla.org/security/announce/2010/mfsa2010-03.htmlVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2010-0112.html
- http://www.redhat.com/support/errata/RHSA-2010-0113.html
- http://www.redhat.com/support/errata/RHSA-2010-0153.html
- http://www.redhat.com/support/errata/RHSA-2010-0154.html
- http://www.securityfocus.com/archive/1/509585/100/0/threaded
- http://www.ubuntu.com/usn/USN-895-1
- http://www.ubuntu.com/usn/USN-896-1
- http://www.vupen.com/english/advisories/2010/0405Vendor Advisory
- http://www.vupen.com/english/advisories/2010/0650
- https://bugzilla.mozilla.org/show_bug.cgi?id=526500
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56361
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11227
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8615
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.