CVE-2009-2043

NONECVSS 0.0Trending — 3 sources updated this weekWeaponized

0.0

nsViewManager.cpp in Mozilla Firefox 3.0.2 through 3.0.10 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to interaction with TinyMCE.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 88.2%
KEV: Not listed

Published

June 12, 2009

Last Modified

April 23, 2026

References (10)

cve@mitrehttp://www.securityfocus.com/bid/35413
cve@mitrehttps://bugzilla.mozilla.org/show_bug.cgi?id=490425
cve@mitrehttps://bugzilla.redhat.com/show_bug.cgi?id=488570
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/51197
cve@mitrehttps://rhn.redhat.com/errata/RHSA-2009-1095.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35413
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=490425
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=488570
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/51197
af854a3a-2127-422b-91ae-364da2661108https://rhn.redhat.com/errata/RHSA-2009-1095.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-20Improper Input Validation

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:09 UTCepss_batch
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2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
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2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 16:30 UTCEG score recompute
2026-05-30 16:30 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-33042✓ verified
First seen May 11, 2009
Mozilla Firefox 3.0.10 - 'nsViewManager.cpp' Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2009-2043?

CVE-2009-2043 is a none vulnerability published on June 12, 2009. nsViewManager.cpp in Mozilla Firefox 3.0.2 through 3.0.10 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to interaction with TinyMCE.

When was CVE-2009-2043 disclosed?

CVE-2009-2043 was first published in the National Vulnerability Database on June 12, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-2043 actively exploited?

CVE-2009-2043 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-2043?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-2043, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2009-2043

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-2043?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(4)

Related CVEs(same CWE)