CVE-2011-2668
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
- Record
CVE-2011-2668- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
- Record
CVE-2011-2668- Updated
- 2026-11-02
EUVDEUVD-2011-2651 No score
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
- Record
EUVD-2011-2651- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j282-cmxq-gm6v No score
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
Mozilla Firefox through 1.5.0.3 has a vulnerability in processing the content-length header
- Record
GHSA-j282-cmxq-gm6v- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2668 is a high vulnerability (CVSS 8.8) in Mozilla Firefox, published January 21, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. No source names a fixed version.