CVE-2011-2668

Name: CVE-2011-2668
Creator: NVD / NIST
Published: 2020-01-21T15:15:11.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.11%

Last modified Jun 16, 2026

CVE-2011-2668 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	<= 1.5.0.3

References

http://jvn.jp/en/jp/JVN36721438/index.htmlThird Party Advisory
http://jvn.jp/en/jp/JVN36721438/index.htmlThird Party Advisory

Timeline

Published: Jan 21, 2020
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-2668?

Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header

How severe is CVE-2011-2668?

CVE-2011-2668 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2011-2668?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2668?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST