CVEvulnerability
CVE-2021-4217
3.3 LOW
Official page ↗
- Status
- Modified
- Published
- 2022-08-24
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- Weaknesses
- CWE-476
Description
A flaw was found in unzip. The vulnerability occurs due to improper handling of Unicode strings, which can lead to a null pointer dereference. This flaw allows an attacker to input a specially crafted zip file, leading to a crash or code execution.
Affected configurations
• unzip project unzip 6.0
• fedoraproject fedora 35
• redhat enterprise linux 6.0
• redhat enterprise linux 7.0
• redhat enterprise linux 8.0
• redhat enterprise linux 9.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://access.redhat.com/security/cve/CVE-2021-4217 Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583 Exploit, Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-4217 Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077 Exploit, Issue Tracking, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2044583 Exploit, Issue Tracking, Third Party Advisory