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Vulnerability record · CVE-2006-4842 · published 12 October 2006

CVE-2006-4842: Netscape portable runtime api improper input validation vulnerability

Netscape · Portable Runtime Api

The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user-specified environment variables for specifying log files even when running from setuid programs, which allows local users to create or overwrite arbitrary files.

3.6 CVSS 2.0 Low EPSS 7.6% · top 5.6% CWE-20 · Improper input validation
3.6CVSS 2.0 base score
7.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
20References
16 Jun 2026Last modified by NVD

Description

The Netscape Portable Runtime (NSPR) API 4.6.1 and 4.6.2, as used in Sun Solaris 10, trusts user-specified environment variables for specifying log files even when running from setuid programs, which allows local users to create or overwrite arbitrary files.

AV:L/AC:L/Au:N/C:N/I:P/A:P

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418 Vendor Advisory
http://secunia.com/advisories/22348 Vendor Advisory
http://securitytracker.com/id?1017050
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1
http://www.securityfocus.com/archive/1/448691/100/0/threaded
http://www.securityfocus.com/bid/20471
http://www.vupen.com/english/advisories/2006/4016 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/29489
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1819
https://www.exploit-db.com/exploits/45433/
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=418 Vendor Advisory
http://secunia.com/advisories/22348 Vendor Advisory
http://securitytracker.com/id?1017050
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102658-1
http://www.securityfocus.com/archive/1/448691/100/0/threaded
http://www.securityfocus.com/bid/20471
http://www.vupen.com/english/advisories/2006/4016 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/29489
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1819
https://www.exploit-db.com/exploits/45433/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2006-4842), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.