CVE-2005-2414: Race condition in the xpcom library, as used by web browsers such as Firefox, Mozilla, Netscape, and Galeon, a

Routine

LOW 2.6MITIGATE

CVE-2005-2414 is a low-severity flaw (CVSS 2.6) affecting xpcom. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Race condition in the xpcom library, as used by web browsers such as Firefox, Mozilla, Netscape, and Galeon, allows remote attackers to cause a denial of service (application crash) via a large HTML file that loads a DOM call from within nested DIV tags, which causes part of the currently rendering page and referenced objects to be deleted.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2005-08-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xpcom

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-08-03 04:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

xpcom xpcom MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xpcom || rpm -q xpcom || xpcom --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: XPCOM - Race Condition

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2005-2414?

xpcom: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-2414 being exploited?

CVE-2005-2414 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2005-2414 affect?

CVE-2005-2414 affects xpcom. Severity is low (CVSS 2.6). Race condition in the xpcom library, as used by web browsers such as Firefox, Mozilla, Netscape, and Galeon, allows remote attackers to cause a denial of service (application crash) via a large HTML file that loads a DOM call from within ne

How urgent is CVE-2005-2414?

Priority 36/100. Public exploit reference

Software pages

Mozilla Firefox vulnerabilities

References

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