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CVE-2017-1000378

32
FAUCET Score

CVE-2017-1000378 describes a critical vulnerability in the NetBSD qsort() function, affecting NetBSD 7.1 and potentially earlier versions. An attacker can craft a specific input array that forces the recursive qsort() function to consume excessive stack memory, leading to a denial of service and potentially aiding arbitrary code execution. With a CVSS score of 9.8 (Critical), this vulnerability is easily exploitable over the network with low complexity, allowing for complete compromise of confidentiality, integrity, and availability. Despite its severity, there is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 7.1CPE matchmatch criteria
cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
4.12%
Probability of exploitation in next 30 days
EPSS Percentile
89.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0412 is in the 83rd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cvsweb.netbsd.org / bsdweb.cgi/src/lib/libc/stdlib/qsort.c
Third Party Advisory
qualys.com / 2017/06/19/stack-clash/stack-clash.txt
Third Party Advisory
securityfocus.com / bid/99255
Third Party AdvisoryVDB Entry