Every CVE Search/ Get API key

CVE-2005-4134

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers...

5.0 MediumPublic exploitFix available

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.

Exploit likelihood

12.6%Down 2.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.

Record
CVE-2005-4134
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.

Record
CVE-2005-4134
Updated
2026-11-02
EUVDEUVD-2005-4129 No score

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.

Record
EUVD-2005-4129
Updated
2026-11-03
GitHub AdvisoriesGHSA-q5x9-vpfc-fjcq No score

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers...

Mozilla Firefox 1.5, Netscape 8.0.4 and 7.2, and K-Meleon before 0.9.12 allows remote attackers to cause a denial of service (CPU consumption and delayed application startup) via a web site with a large title, which is recorded in history.dat but not processed efficiently during startup. NOTE: despite initial reports, the Mozilla vendor does not believe that this issue can be used to trigger a crash or buffer overflow in Firefox. Also, it has been independently reported that Netscape 8.1 does not have this issue.

Record
GHSA-q5x9-vpfc-fjcq
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
mozilla-firefox
Debian:3.1
 before 1.0.4-2sarge6, plus listed versions
1.0.4-21.0.4-2sarge11.0.4-2sarge21.0.4-2sarge31.0.4-2sarge41.0.4-2sarge5
1.0.4-2sarge6
mozilla
Debian:3.1
 before 2:1.7.8-1sarge5, plus listed versions
2:1.7.8-12:1.7.8-1sarge12:1.7.8-1sarge22:1.7.8-1sarge3
2:1.7.8-1sarge5
mozilla-thunderbird
Debian:3.1
 before 1.0.2-2.sarge1.0.8, plus listed versions
1.0.2-21.0.2-2.sarge1.0.61.0.2-2.sarge1.0.7
1.0.2-2.sarge1.0.8
firefox
Red Hat:enterprise_linux:4::as
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox
Red Hat:enterprise_linux:4::desktop
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox
Red Hat:enterprise_linux:4::es
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox
Red Hat:enterprise_linux:4::ws
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3
firefox-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.0.7-1.4.3
0:1.0.7-1.4.3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMozilla Firefox 0.x/1.x - Large History File Buffer Overflow2005-12-08

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2005-4134 is a medium vulnerability (CVSS 5.0) in K-meleon Project K-meleon, published December 9, 2005. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.6%, the 96th percentile. Fixed in mozilla-firefox 1.0.4-2sarge6.

References

Show 65 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open