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CVE-2015-4556

20
FAUCET Score

CVE-2015-4556 describes a denial-of-service vulnerability in the string-translate* procedure within the data-structures unit of CHICKEN versions prior to 4.10.0. This flaw allows remote attackers to crash affected systems, posing a high severity risk with a CVSS score of 7.5 due to its network-based attack vector and low attack complexity. Despite its potential impact, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.0CPE matchmatch criteria
cpe:2.3:a:call-cc:chicken:*:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
2.06%
Probability of exploitation in next 30 days
EPSS Percentile
79.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0206 is in the 64th percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

lists.nongnu.org / archive/html/chicken-announce/2015-06/msg00010.html
PatchThird Party Advisory
lists.nongnu.org / archive/html/chicken-hackers/2015-06/msg00037.html
PatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatch
seclists.org / oss-sec/2015/q2/712
Mailing ListPatchThird Party Advisory
security.gentoo.org / glsa/201612-54
securityfocus.com / bid/97293