CVE-2009-1935
MEDIUM · CVSS 4.9EPSS 0.4%EU EUVD
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct write optimization feature in the pipe implementation in FreeBSD 7.1 through 7.2 and 6.3 through 6.4 allows local users to bypass virtual-to-physical address lookups and read sensitive information in memory pages via unspecified vectors.
Key facts
- CVSS score
- 4.9 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:L/Au:N/C:C/I:N/A:N- Weakness (CWE)
- CWE-189
- EPSS score
- 0.4% (38th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-1930)
- Published
- June 18, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-1930 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
- freebsd / freebsd
References
- http://osvdb.org/55044
- http://secunia.com/advisories/35398(Vendor Advisory)
- http://security.freebsd.org/advisories/FreeBSD-SA-09:09.pipe.asc(Patch, Vendor Advisory)
- http://security.freebsd.org/patches/SA-09:09/pipe.patch(Exploit, Vendor Advisory)
- http://www.securityfocus.com/bid/35279
- http://www.securitytracker.com/id?1022365
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51109
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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