CVE-2009-1935
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-1935- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:C/I:N/A:N - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-1935- Updated
- 2026-11-02
EUVDEUVD-2009-1930 No score
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.
- Record
EUVD-2009-1930- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-c36p-gqxq-hcgq No score
Integer overflow in the pipe_build_write_buffer function (sys/kern/sys_pipe.c) in the direct...
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.
- Record
GHSA-c36p-gqxq-hcgq- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-1935 is a medium vulnerability (CVSS 4.9) in Freebsd, published June 18, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.44%, the 38th percentile. No source names a fixed version.
References
exchange.xforce.ibmcloud.com/vulnerabilities/51109
security.freebsd.org/patches/SA-09:09/pipe.patch
securityfocus.com/bid/35279
secunia.com/advisories/35398
osvdb.org/55044
securitytracker.com/id?1022365
nvd.nist.gov/vuln/detail/CVE-2009-1935
github.com/advisories/GHSA-c36p-gqxq-hcgq