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CVE-2022-29694

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via...

7.5 HighFix available

CVE-2022-29694 is a high vulnerability (CVSS 7.5) in Unicorn-engine Unicorn Engine, published May 27, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.96%, the 80th percentile. Fixed in unicorn 2.0.1-r0.

What does this mean?
Severity
7.5 HighCVSS 3.1, NVD
Exploit chance
1.96%EPSS, 80th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
2.0.1-r0unicorn

Description

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

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

1.96%Up 1.0 points since May 28, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
unicorn
Alpine:v3.24
before 2.0.1-r0
2.0.1-r0

What each source reports

NVD Score used7.5

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
CVE-2022-29694
CVSS 3.1
7.5 HighCVSS:3.1/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-476
Updated
2026-11-02
CVE ListNo score

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
CVE-2022-29694
Updated
2026-11-02
EUVDEUVD-2022-34020No score

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
EUVD-2022-34020
Updated
2026-11-03
GitHub AdvisoriesGHSA-3x6m-jc93-26vq7.5

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via...

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
GHSA-3x6m-jc93-26vq
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2022-296947.5

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
ALPINE-CVE-2022-29694
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-03
OSVNo score

Unicorn Engine v2.0.0-rc7 and below was discovered to contain a NULL pointer dereference via qemu_ram_free.

Record
CVE-2022-29694
Updated
2026-11-02

History

History
RecordedChangedSources
affected, aliases, facts, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

References

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