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CVE-2017-9334

25
FAUCET Score

CVE-2017-9334 is a denial-of-service vulnerability affecting all CHICKEN Scheme versions prior to 4.13. An attacker can trigger this by providing a malformed list to an application that uses the "length" procedure, leading to an unsafe pointer dereference. This vulnerability has a CVSS score of 7.5 (High) due to its network-based attack vector and high impact on availability, requiring no user interaction or privileges. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.12.0CPE matchmatch criteria
cpe:2.3:a:call-cc:chicken:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0154 is in the 54th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

lists.nongnu.org / archive/html/chicken-announce/2017-05/msg00000.html
PatchThird Party Advisory
lists.nongnu.org / archive/html/chicken-hackers/2017-05/msg00099.html
PatchThird Party Advisory