CVE-2009-0776

NONECVSS 0.0Trending — 4 sources updated this week

0.0

nsIRDFService in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 allows remote attackers to bypass the same-origin policy and read XML data from another domain via a cross-domain redirect.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 75.4%
KEV: Not listed

Published

March 5, 2009

Last Modified

April 23, 2026

References (76)

secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-03/msg00002.html
secalert@redhathttp://lists.opensuse.org/opensuse-security-announce/2009-04/msg00009.html
secalert@redhathttp://secunia.com/advisories/34137
secalert@redhathttp://secunia.com/advisories/34140
secalert@redhathttp://secunia.com/advisories/34145
secalert@redhathttp://secunia.com/advisories/34272
secalert@redhathttp://secunia.com/advisories/34324
secalert@redhathttp://secunia.com/advisories/34383
secalert@redhathttp://secunia.com/advisories/34387
secalert@redhathttp://secunia.com/advisories/34417
secalert@redhathttp://secunia.com/advisories/34462
secalert@redhathttp://secunia.com/advisories/34464
secalert@redhathttp://secunia.com/advisories/34527
secalert@redhathttp://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.405420
secalert@redhathttp://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.433952

Patch Availability(7)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	firefox (1.5.dfsg+1.5.0.15~prepatch080614k-0ubuntu1) @ dapper	2026-05-30	ubuntu
ubuntu	thunderbird (2.0.0.21+nobinonly-0ubuntu0.8.10.1) @ intrepid	2026-05-30	ubuntu
ubuntu	firefox (2.0.0.21~tb.21+nobinonly-0ubuntu0.7.10.1) @ gutsy	2026-05-30	ubuntu
ubuntu	xulrunner-1.9 (1.9.0.7+nobinonly-0ubuntu0.8.10.1) @ intrepid	2026-05-30	ubuntu
redhat	thunderbird-0:2.0.0.21-1.el5	2009-03-24	redhat
redhat	seamonkey-0:1.0.9-38.el4	2009-03-05	redhat
redhat	xulrunner-0:1.9.0.7-1.el5	2009-03-05	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× 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.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 17:51 UTCEG score recompute
2026-05-30 17:51 UTCVendor advisory
2026-05-30 17:51 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2009-0776?

CVE-2009-0776 is a none vulnerability published on March 5, 2009. nsIRDFService in Mozilla Firefox before 3.0.7, Thunderbird before 2.0.0.21, and SeaMonkey before 1.1.15 allows remote attackers to bypass the same-origin policy and read XML data from another domain via a cross-domain redirect.

When was CVE-2009-0776 disclosed?

CVE-2009-0776 was first published in the National Vulnerability Database on March 5, 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-2009-0776 actively exploited?

CVE-2009-0776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 75.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-0776?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-0776, 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-2009-0776

Published

Last Modified

References (76)

Patch Availability(7)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-0776?

Same vendor

Same CWE

CVE-2009-0776

📅 Published

🔄 Last Modified

🔗 References (76)

Patch Availability(7)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-0776?

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References (76)

Frequently asked(4)

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