CVE-2009-1571: mozilla firefox Improper Control of Generation of Code
Vulnerability summary
CVE-2009-1571 is a high (CVSS 10.0) Improper Control of Generation of Code vulnerability in mozilla firefox. EPSS estimates a 6.51% chance of exploitation in the next 30 days, higher than 93.7% of scored vulnerabilities.
Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 1Timeline
- 21-02-2010PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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 metrics
1 score · 1 source · 1 versionEPSS trend
Probability
6.51%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 6.51% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Mozilla2 products
- firefox3.0 | 3.0:alpha | 3.0:beta2 | 3.0:beta5 | 3.0.1 | 3.0.2 | 3.0.3 | 3.0.4 | 3.0.5 | 3.0.6 | 3.0.7 | 3.0.8 | 3.0.9 | 3.0.10 | 3.0.11 | 3.0.12 | 3.0.13 | 3.0.14 | 3.0.15 | 3.0.17 | 3.5 | 3.5.1 | 3.5.2 | 3.5.3 | 3.5.4 | 3.5.5 | 3.5.6 | 3.5.7
- seamonkey1.0 | 1.0:alpha | 1.0:beta | 1.0.1 | 1.0.2 | 1.0.3 | 1.0.4 | 1.0.5 | 1.0.6 | 1.0.7 | 1.0.8 | 1.0.9 | 1.1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5 | 1.1.6 | 1.1.7 | 1.1.8 | 1.1.9 | 1.1.10 | 1.1.11 | 1.1.12 | 1.1.13 | 1.1.14 | 1.1.15 | 1.1.16 | 1.1.17 | 2.0 | 2.0:alpha_2 | 2.0:alpha_3 | 2.0:beta_1 | 2.0:beta_2 | 2.0:rc1 | 2.0:rc2 | 2.0.1 | 2.0.2
1 vendor · 2 products
References
28 links- lists.fedoraproject.org/pipermail/package-announce/2010-February/035367.htmlVendor AdvisoryX Refsource FEDORA
Show all 28 references
- lists.fedoraproject.org/pipermail/package-announce/2010-February/035346.htmlVendor AdvisoryX Refsource FEDORA
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11227VDB EntrySignatureX Refsource OVAL
- lists.fedoraproject.org/pipermail/package-announce/2010-February/035426.htmlVendor AdvisoryX Refsource FEDORA
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8615VDB EntrySignatureX Refsource OVAL
- lists.fedoraproject.org/pipermail/package-announce/2010-March/036097.htmlVendor AdvisoryX Refsource FEDORA
- bugzilla.mozilla.org/show_bug.cgi?id=526500X Refsource CONFIRM
- lists.fedoraproject.org/pipermail/package-announce/2010-March/036132.htmlVendor AdvisoryX Refsource FEDORA