CVE-2005-4720

unknown
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
1.0

Description

Mozilla Firefox 1.0.7 and earlier on Linux allows remote attackers to cause a denial of service (client crash) via an IFRAME element with a large value of the WIDTH attribute, which triggers a problem related to representation of floating-point numbers, leading to an infinite loop of widget resizes and a corresponding large number of function calls on the stack.

Predictions

Exploit likelihood
55%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-26325 dos multiple verified text · 1 KB
Tom Ferris · 2005-10-05

Mozilla Firefox 1.0.6/1.0.7 - iFrame Handling Denial of Service

text exploit Source: Exploit-DB
source: https://www.securityfocus.com/bid/15015/info

Mozilla Firefox is prone to a remote denial of service vulnerability.

The vulnerability presents itself when an affected browser handles a specially crafted IFRAME.

A successful attack may result in crashing the application, or consuming excessive CPU and memory resources of computers running the affected application.

It should be noted that this issue was reported to affect Firefox 1.0.6 and 1.0.7 running on Linux. Other versions running on different platforms may be vulnerable as well.

IFRAME WIDTH=33333333 

OS impact

debian Debian Fixed 1 release
VersionStatusFixed in
sid Fixed 1.5.dfsg-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.