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CVE-2009-1313

36
FAUCET Score

CVE-2009-1313 describes a memory corruption vulnerability in the nsTextFrame::ClearTextRun function within Mozilla Firefox 3.0.9, potentially leading to denial of service and arbitrary code execution. This critical vulnerability has a CVSS score of 9.3, indicating a network-based attack with medium complexity, allowing for complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an exploit (EDB-32961) is publicly available, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.0.9CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:3.0.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
8.39%
Probability of exploitation in next 30 days
EPSS Percentile
94.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-32961 · Apr 27, 2009
This CVE's current EPSS score of 0.0839 is in the 73rd percentile among its peer group of 8,920 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox-0:3.0.10-1.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:3.0.10-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:1.9.0.10-1.el5
View patch

Vendor Advisories (1)

redhatCVE-2009-1313Critical

nsTextFrame:: ClearTextRun()

Apr 27, 2009

References

bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/34851
secunia.com / advisories/34866
secunia.com / advisories/34910
secunia.com / advisories/34919
securitytracker.com / id
securitytracker.com / id
slackware.com / security/viewer.php
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10446
rhn.redhat.com / errata/RHSA-2009-0449.html
mandriva.com / security/advisories
mozilla.org / security/announce/2009/mfsa2009-23.html
securityfocus.com / bid/34743
ubuntu.com / usn/USN-765-1
vupen.com / english/advisories/2009/1180