CVE-2022-0530
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
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 2.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.7% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-10-08.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-02-09 22:05Z4 YR AGO
- Last updated
- 2026-10-08 21:03Z20 DAYS AGO
- Reserved
- 2022-02-08
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.2
- Document digest
- e19252516c7fb083c60d72cab882431a47fb868ca7db193182d5c3aa5be12fa9
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2051395
- github.comhttps://github.com/ByteHackr/unzip_poc
- support.apple.comhttps://support.apple.com/kb/HT213257
- support.apple.comhttps://support.apple.com/kb/HT213256
- support.apple.comhttps://support.apple.com/kb/HT213255
- seclists.org20220516 APPLE-SA-2022-05-16-4 Security Update 2022-004 Catalinahttp://seclists.org/fulldisclosure/2022/May/33
- seclists.org20220516 APPLE-SA-2022-05-16-3 macOS Big Sur 11.6.6http://seclists.org/fulldisclosure/2022/May/35
- seclists.org20220516 APPLE-SA-2022-05-16-2 macOS Monterey 12.4http://seclists.org/fulldisclosure/2022/May/38
- www.debian.orgDSA-5202https://www.debian.org/security/2022/dsa-5202
- lists.debian.org[debian-lts-announce] 20220922 [SECURITY] [DLA 3118-1] unzip security updatehttps://lists.debian.org/debian-lts-announce/2022/09/msg00028.html
- security.gentoo.orghttps://security.gentoo.org/glsa/202310-17
07 Fixed in
Debian 12
- unzip Fixed in 6.0-27
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- unzip Fixed in 6.0-27
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- unzip Fixed in 6.0-27
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- unzip Fixed in 6.0-21ubuntu1.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- unzip Fixed in 6.0-25ubuntu1.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- unzip Fixed in 6.0-26ubuntu3.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- unzip Fixed in 6.0-9ubuntu1.6+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- unzip Fixed in 6.0-20ubuntu1.1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.