VulnerabilityModified

CVE-1999-0964

Buffer overflow in FreeBSD setlocale in the libc module allows attackers to execute arbitrary code via a long PATH_LOCALE environment variable.

HIGH 7.2EPSS 0.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Buffer overflow in FreeBSD setlocale in the libc module allows attackers to execute arbitrary code via a long PATH_LOCALE environment variable.

CVSS 2.0: 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS: 0.45% probability · 39th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Affected: freebsd/freebsd
Source: cve@mitre.org

EPSS trend

EPSS 0.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.