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CVE-2022-0530

18
FAUCET Score

CVE-2022-0530 is a heap out-of-bounds write vulnerability in Unzip, affecting products like Apple, Debian, Fedora, and Red Hat. An attacker can exploit this flaw by providing a specially crafted zip file, potentially causing a crash or arbitrary code execution. With a CVSS score of 5.5 (Medium), it requires user interaction and local access for exploitation. There is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
6.0CPE matchmatch criteria
cpe:2.3:a:unzip_project:unzip:6.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:*
35CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
>= 10.15, < 10.15.7CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
10.15.7CPE matchmatch criteria
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.11%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0211 is in the 90th percentile among its peer group of 5,758 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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 (15)

microsoftpatch availablevia msrc
Product: cm1 unzip 6.0-19 on CBL Mariner 1.0Fixed in: 6.0-19
microsoftpatch availablevia msrc
Product: 18861-17084Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: 18792-16823Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: 18793-17084Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: 18791-16820Fixed in: 6.0-19
microsoftpatch availablevia msrc
Product: azl3 unzip 6.0-22 on Azure Linux 3.0Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: cbl2 unzip 6.0-21 on CBL Mariner 2.0Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: azl3 unzip 6.0-21 on Azure Linux 3.0Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 6.0-21
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 6.0-21
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 6.0-21
applevendor investigatingvia nvd_reference
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: unzip
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: unzip

Vendor Advisories (3)

microsoft2024-Nov/CVE-2022-0530

CVE-2022-0530

Nov 12, 2024
microsoft2022-Feb/CVE-2022-0530

Conversion of a wide string to a local string that leads to a heap of out-of-bound write

Feb 8, 2022
redhatCVE-2022-0530Low

unzip: SIGSEGV during the conversion of an utf-8 string to a local string

Jan 31, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
seclists.org / fulldisclosure/2022/May/33
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/May/35
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2022/May/38
Mailing ListThird Party Advisory
github.com / ByteHackr/unzip_poc
ExploitThird Party Advisory
lists.debian.org / debian-lts-announce/2022/09/msg00028.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202310-17
Third Party Advisory
support.apple.com / kb/HT213255
Vendor Advisory
support.apple.com / kb/HT213256
Vendor Advisory
support.apple.com / kb/HT213257
Vendor Advisory
debian.org / security/2022/dsa-5202
Third Party Advisory