The layout engine in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a…

Description

The layout engine in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey 1.1.15 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via certain vectors that trigger memory corruption and assertion failures.

Scores

EPSS (exploitation in 30 days)

4.6% · top 8.3% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.

Weakness

• n/a
• CWE-399 (opens in a new tab)All about CWE-399 and its CVEs

Affected products

• n/a

  • affected n/a

References (28)

• RHSA-2009:0315 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• SUSE-SA:2009:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• DSA-1830 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• ADV-2009-0632 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• FEDORA-2009-3101 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• DSA-1751 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• SSA:2009-083-02 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• oval:org.mitre.oval:def:6755 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• https://bugzilla.mozilla.org/buglist.cgi?bug_id=424276%2C435209%2C436965%2C460706%2C466057%2C468578%2C471594%2C472502 (opens in a new tab)x_refsource_CONFIRMx_transferred
• oval:org.mitre.oval:def:6196 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• 34140 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://www.mozilla.org/security/announce/2009/mfsa2009-07.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• MDVSA-2009:083 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 34464 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34272 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34527 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 34145 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:11314 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• SSA:2009-083-03 (opens in a new tab)vendor-advisoryx_refsource_SLACKWAREx_transferred
• 34462 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://support.avaya.com/elmodocs2/security/ASA-2009-069.htm (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1021795 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• MDVSA-2009:075 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• 33990 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 34383 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• oval:org.mitre.oval:def:5250 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• oval:org.mitre.oval:def:6163 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
• http://support.avaya.com/japple/css/japple?temp.documentID=366362&temp.productID=154235&temp.releaseID=361845&temp.bucketID=126655&PAGE=Document (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2009-0771](https://trackcve.app/badge/CVE-2009-0771.svg)](https://trackcve.app/cve/CVE-2009-0771)

Record last updated 7 Aug 2024, 04:48 UTC.