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CVE-2022-0530

MEDIUM

5.5

CVSS Score

Published: February 9, 2022 at 10:05 PM UTC

Updated: October 8, 2026 at 09:17 PM UTC

6 products affected across 6 vendorsmacOSDebian LinuxFedora

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Severity

MEDIUM5.5

Exploit prediction

EPSS 2%

SSVC

No known exploit

Description

A flaw was found in Unzip. The vulnerability occurs during the conversion of a wide string to a local string that leads to a heap of out-of-bound write. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%

10.15 ≤ v < 10.15.711.0 ≤ v < 11.6.612.0.0 ≤ v < 12.4*10.15.7 10.15.7 security_update_2020 10.15.7 security_update_2020-001 10.15.7 security_update_2020-005 10.15.7 security_update_2020-007 10.15.7 security_update_2021-001 10.15.7 security_update_2021-002 10.15.7 security_update_2021-003 10.15.7 security_update_2021-006 10.15.7 security_update_2021-007 10.15.7 security_update_2021-008 10.15.7 security_update_2022-001 10.15.7 security_update_2022-002 10.15.7 security_update_2022-003 10.15.7 supplemental_update

Affected range stops below 10.15.7, so it looks safe — our inference, not a vendor statement

Affected range stops below 11.6.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 12.4, so it looks safe — our inference, not a vendor statement

Debian Linux · Debiandrupal

95%

Fedora · Fedora Projectrpm

95%

Enterprise Linux · Red Hatrpm

95%

Unzip · Unzip Projectgo

95%

UnZip · Info Zip

87%

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (11)

Mailing Listx_refsource_FULLDISCThird Party Advisory

Source: [email protected]

http://seclists.org/fulldisclosure/2022/May/33

Mailing Listx_refsource_FULLDISCThird Party Advisory

Source: [email protected]

http://seclists.org/fulldisclosure/2022/May/35

Mailing Listx_refsource_FULLDISCThird Party Advisory

Source: [email protected]

http://seclists.org/fulldisclosure/2022/May/38

x_refsource_MISCIssue TrackingThird Party Advisory

Source: [email protected]

https://bugzilla.redhat.com/show_bug.cgi?id=2051395

x_refsource_MISCExploitThird Party Advisory

Source: [email protected]

https://github.com/ByteHackr/unzip_poc

Mailing Listx_refsource_MLISTThird Party Advisory

Source: [email protected]

https://lists.debian.org/debian-lts-announce/2022/09/msg00028.html

Third Party Advisory

Source: [email protected]

https://security.gentoo.org/glsa/202310-17

x_refsource_CONFIRMVendor Advisory

Source: [email protected]

https://support.apple.com/kb/HT213255

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

NVD-CWE-Other

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