CVE-2011-4060

CVE-2011-4060 is a low-severity vulnerability in Qnx Neutrino Rtos with a CVSS 2.0 base score of 3.3. 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-59.

Key facts

Description

The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack.

Frequently asked questions

What is CVE-2011-4060?
The runtime linker in QNX Neutrino RTOS 6.5.0 before Service Pack 1 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environment variables when a program is spawned from a setuid program, which allows local users to overwrite files via a symlink attack.
How severe is CVE-2011-4060?
CVE-2011-4060 has a CVSS 2.0 base score of 3.3, rated low severity.
Is CVE-2011-4060 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4060?
CVE-2011-4060 affects Qnx Neutrino Rtos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4060?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4060 published?
CVE-2011-4060 was published on 2011-10-18 and last updated on 2026-06-16.

References

Affected products (1)

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