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CVE-1999-1226
Netscape Communicator 4.7 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a…
Low2.6EPSS 0.84%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Netscape Communicator 4.7 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long certificate key.
Timeline
ID reserved
By mitre
- 6 months later
· 6 months later
Published
- 22 years later
· 22 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.6 | AV:N/AC:H/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.84% · top 42% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.6.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (2)
- netscape-huge-key-dos(3436) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://www.securiteam.com/exploits/Netscape_4_7_and_earlier_vulnerable_to__Huge_Key__DoS.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-1999-1226)Record last updated .