CVE-2009-4135

CVE-2009-4135 is a medium-severity vulnerability in Gnu Coreutils with a CVSS 2.0 base score of 4.4. 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 distcheck rule in dist-check.mk in GNU coreutils 5.2.1 through 8.1 allows local users to gain privileges via a symlink attack on a file in a directory tree under /tmp.

Frequently asked questions

What is CVE-2009-4135?
The distcheck rule in dist-check.mk in GNU coreutils 5.2.1 through 8.1 allows local users to gain privileges via a symlink attack on a file in a directory tree under /tmp.
How severe is CVE-2009-4135?
CVE-2009-4135 has a CVSS 2.0 base score of 4.4, rated medium severity.
Is CVE-2009-4135 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4135?
CVE-2009-4135 primarily affects Gnu Coreutils. In total, 31 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4135?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4135 published?
CVE-2009-4135 was published on 2009-12-11 and last updated on 2026-06-16.

References

Affected products (31)

More vulnerabilities in Gnu Coreutils

All CVEs affecting Gnu Coreutils →

Other CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities

Browse all CWE-59 (Improper Link Resolution Before File Access (Link Following)) vulnerabilities →