No exploitation reportedFix available

CVE-2009-2857

Q: Is CVE-2009-2857 actively exploited?

Active exploitation of CVE-2009-2857 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2009-2857?

CVE-2009-2857 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2009-08-19
WeaknessCWE-667

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The kernel in Sun Solaris 8, 9, and 10, and OpenSolaris before snv_103, does not properly handle interaction between the filesystem and virtual-memory implementations, which allows local users to cause a denial of service (deadlock and system halt) via vectors involving mmap and write operations on the same file.

Timeline

dates in UTC

2009-08-1917:30CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2009-2857?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2009-2857?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Oracle solaris

Branch	Affected	Fixed in	Source
8.x	= 8	no fix published	NVD
9.x	= 9	no fix published	NVD
10.x	= 10	no fix published	NVD

Oracle opensolaris

Branch	Affected	Fixed in	Source
—	< snv_103	snv_103	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

secunia.comVendor Advisory
sunsolve.sun.comPatch
sunsolve.sun.comPatch · Vendor Advisory
www.vupen.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2024-02-16
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.15.52025-01-21
NVDCVSS 3.15.5read 2026-10-23
NVDCVSS 2.04.9read 2026-10-23
CISA-ADPweakness (CWE)CWE-6672025-01-21
NVDweakness (CWE)CWE-667read 2026-10-23
FIRST EPSSEPSS score0.3 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published: 2009-08-19
Last Modified: 2026-06-16
NVD status: Modified

Frequently asked questions

What is CVE-2009-2857?

Is CVE-2009-2857 actively exploited?

Active exploitation of CVE-2009-2857 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2009-2857?

CVE-2009-2857 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

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