CVE-2026-4176
Public on 2026-03-29
Modified on 2026-04-02
Description
Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib.
Compress::Raw::Zlib is included in the Perl package as a dual-life core module, and is vulnerable to CVE-2026-3381 due to a vendored version of zlib which has several vulnerabilities, including CVE-2026-27171. The bundled Compress::Raw::Zlib was updated to version 2.221 in Perl blead commit c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.
Compress::Raw::Zlib is included in the Perl package as a dual-life core module, and is vulnerable to CVE-2026-3381 due to a vendored version of zlib which has several vulnerabilities, including CVE-2026-27171. The bundled Compress::Raw::Zlib was updated to version 2.221 in Perl blead commit c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | binutils | Not Affected | ||
| Amazon Linux 2023 | binutils | Not Affected | ||
| Amazon Linux 2023 | dotnet6.0 | No Fix Planned | ||
| Amazon Linux 2023 | dotnet8.0 | Not Affected | ||
| Amazon Linux 2023 | firefox | Not Affected | ||
| Amazon Linux 2023 | gjs | Not Affected | ||
| Amazon Linux 2023 | java-1.8.0-amazon-corretto | Not Affected | ||
| Amazon Linux 2 - Core | java-11-amazon-corretto | Not Affected | ||
| Amazon Linux 2023 | java-11-amazon-corretto | Not Affected | ||
| Amazon Linux 2 - Core | java-17-amazon-corretto | Not Affected | ||
| Amazon Linux 2023 | java-17-amazon-corretto | Not Affected | ||
| Amazon Linux 2023 | java-21-amazon-corretto | Not Affected | ||
| Amazon Linux 2023 | java-22-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-23-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-24-amazon-corretto | No Fix Planned | ||
| Amazon Linux 2023 | java-25-amazon-corretto | Not Affected | ||
| Amazon Linux 2 - Core | mariadb | Not Affected | ||
| Amazon Linux 2023 | mariadb105 | No Fix Planned | ||
| Amazon Linux 2023 | nodejs22 | Not Affected | ||
| Amazon Linux 2023 | nodejs24 | Not Affected | ||
| Amazon Linux 2023 | nss | Not Affected | ||
| Amazon Linux 2 - Core | sudo | Not Affected | ||
| Amazon Linux 2023 | sudo | Not Affected | ||
| Amazon Linux 2023 | swiftlang | Not Affected | ||
| Amazon Linux 2 - Core | zlib | Not Affected | ||
| Amazon Linux 2023 | zlib | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H |