CVE-2022-0529: debian debian_linux Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesALPINE-CVE-2022-0529UBUNTU-CVE-2022-0529DEBIAN-CVE-2022-0529
Published 09-02-2022Last modified 08-10-2026
Vulnerability summary
CVE-2022-0529 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 84% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
2.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 7 · Related 4Timeline
- 09-02-2022PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.42%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.42% on 21-09-2026
21-09-202621-10-2026
EPSS score2.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundUnzip Poc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian2 products
- unzip< 6.0-27
- debian_linuxEOL10.0 | 11.0
Alpine1 product
- unzip< 6.0-r11
Fedoraproject1 product
- fedoraEOL35
Redhat1 product
Ubuntu1 product
- unzip< 6.0-9ubuntu1.6+esm1 | < 6.0-20ubuntu1.1+esm1 | < 6.0-21ubuntu1.2 | < 6.0-25ubuntu1.1 | < 6.0-26ubuntu3.1
Unzip_project1 product
- unzip6.0
6 vendors · 7 products
References
11 links
- lists.debian.org/debian-lts-announce/2022/09/msg00028.htmlMailing ListX Refsource MLISTThird Party Advisory
- security.gentoo.org/glsa/202310-17Third Party Advisory
