How severe is CVE-2006-4842?

CVE-2006-4842 has a CVSS 2.0 base score of 3.6, rated low severity.

Is CVE-2006-4842 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4842?

CVE-2006-4842 primarily affects Netscape Portable Runtime Api. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4842?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-4842 published?

CVE-2006-4842 was published on 2006-10-12 and last updated on 2026-06-16.

CVE-2006-4842

CVE-2006-4842 is a low-severity vulnerability in Netscape Portable Runtime Api with a CVSS 2.0 base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 2.0 base score 3.6)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Netscape Portable Runtime Api
Published: 2006-10-12
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2006-4842?: 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.
How severe is CVE-2006-4842?: CVE-2006-4842 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-2006-4842 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4842?: CVE-2006-4842 primarily affects Netscape Portable Runtime Api. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4842?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4842 published?: CVE-2006-4842 was published on 2006-10-12 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:netscape:portable_runtime_api:4.6.1:*:*:*:*:*:*:*
cpe:2.3:a:netscape:portable_runtime_api:4.6.2:*:*:*:*:*:*:*
cpe:2.3:o:sun:solaris:10.0:*:sparc:*:*:*:*:*

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