CVE-2022-45145

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package...

9.8 CriticalFix available

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

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: High
Integrity: High
Availability: High

Exploit likelihood

1.38%Down 0.2 points since Dec 11, 2022

What each source reports

NVD Score used 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: CVE-2022-45145
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

CVE List 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: CVE-2022-45145
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

EUVDEUVD-2022-48059 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: EUVD-2022-48059
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-xvm4-qw2r-9jf6 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package...

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: GHSA-xvm4-qw2r-9jf6
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-78
Updated: 2026-11-02

OSVALPINE-CVE-2022-45145 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: ALPINE-CVE-2022-45145
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

OSVUBUNTU-CVE-2022-45145 9.8

egg-compile.scm in CHICKEN 5.x before 5.3.1 allows arbitrary OS command execution during package installation via escape characters in a .egg file.

Record: UBUNTU-CVE-2022-45145
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

call-cc chicken

Affected packages

Affected packages
Package	Affected	Fixed
`chicken` Alpine:v3.18	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.19	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.20	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.21	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.22	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.23	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Alpine:v3.24	5.0.0 up to 5.3.0-r3	5.3.0-r3
`chicken` Ubuntu:16.04:LTS	All versions, plus listed versions 4.9.0.1-1	None known
`chicken` Ubuntu:18.04:LTS	All versions, plus listed versions 4.11.0-14.12.0-0.3	None known
`chicken` Ubuntu:20.04:LTS	All versions, plus listed versions 5.1.0-1	None known

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Affected packages
Package	Affected	Fixed
`chicken` Ubuntu:22.04:LTS	All versions, plus listed versions 5.2.0-2	None known
`chicken` Ubuntu:24.04:LTS	All versions, plus listed versions 5.3.0-15.3.0-1.15.3.0-1.1build1	None known
`chicken` Ubuntu:25.10	All versions, plus listed versions 5.3.0-2	None known
`chicken` Ubuntu:26.10	All versions, plus listed versions 5.3.0-2build1	None known
`chicken` Ubuntu:26.04:LTS	All versions, plus listed versions 5.3.0-25.3.0-2build1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	affected, aliases, facts, references	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2022-45145 is a critical vulnerability (CVSS 9.8) in Call-cc Chicken, published December 10, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.38%, the 72nd percentile. Fixed in chicken 5.3.0-r3.

References

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