cve.bz

CVE-2009-3558

no score yetEPSS 2.1%

php php: no CVSS score yet. EPSS 2.1% chance of exploitation in the next 30 days.

The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.
EPSS
2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE
CWE-264
Published
Modified
Record from
the NVD, synced

Affected

References

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