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CVE-2015-4556

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows...

7.5 HighFix available

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

2.07%Up 0.8 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
CVE-2015-4556
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
CVE-2015-4556
Updated
2026-11-02
EUVDEUVD-2015-4576 No score

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
EUVD-2015-4576
Updated
2026-11-03
GitHub AdvisoriesGHSA-j22h-w3hq-g7h8 7.5

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows...

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
GHSA-j22h-w3hq-g7h8
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 7.5

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
CVE-2015-4556
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2015-4556 7.5

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
DEBIAN-CVE-2015-4556
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2015-4556 7.5

The string-translate* procedure in the data-structures unit in CHICKEN before 4.10.0 allows remote attackers to cause a denial of service (crash).

Record
UBUNTU-CVE-2015-4556
CVSS 3.0
7.5 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chicken
Debian:12
before 4.10.0-1
4.10.0-1
chicken
Debian:13
before 4.10.0-1
4.10.0-1
chicken
Debian:14
before 4.10.0-1
4.10.0-1
chicken
Ubuntu:16.04:LTS
All versions, plus listed versions
4.9.0.1-1
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-4556 is a high vulnerability (CVSS 7.5) in Call-cc Chicken, published March 29, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.07%, the 81st percentile. Fixed in chicken 4.10.0-1.

References

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