CVE-2026-4176

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Source
https://cve.org/CVERecord?id=CVE-2026-4176
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4176.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-4176
Downstream
Related
Published
2026-03-29T20:50:51.058Z
Modified
2026-07-15T01:49:18.317858923Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
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
Details

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.

Database specific 
{
    "cna_assigner": "CPANSec",
    "cwe_ids": [
        "CWE-1395"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4176.json"
}
References

Affected packages

Git / github.com/perl/perl5

Affected ranges

Type
GIT
Repo
https://github.com/perl/perl5
Events
Introduced
27e0a6173cfa04e70f8057a8b3a0ceb668a33dbc
Fixed
d935eee08874ebc66b5e0ffea91fa1440a189bc3
Introduced
e8cce44acbf725a386d6645647073769caab1f34
Fixed
b62845c7186b0b6a8e4e83419e6b5ef64ceef3ed
Introduced
1d7f1a41a11375afc3ef8599bf5b4bd367019ba9
Fixed
c25e30926ee2a7bf475baeda3c1b97cc56803f94
Fixed
c75ae9cc164205e1b6d6dbd57bd2c65c8593fe94
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "cpe": "cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "5.9.4"
        },
        {
            "fixed": "5.40.4"
        },
        {
            "introduced": "5.41.0"
        },
        {
            "fixed": "5.42.2"
        },
        {
            "introduced": "5.43.0"
        },
        {
            "fixed": "5.43.9"
        }
    ]
}

Affected versions

Other
GitLive-blead
if-0.*
if-0.0603
if-0.0604
if-0.0605
perl-5.*
perl-5.9.4
perl-5.9.5
v5.*
v5.10.0
v5.11.0
v5.11.1
v5.11.3
v5.11.4
v5.11.5
v5.12.0
v5.12.0-RC0
v5.12.0-RC1
v5.12.0-RC2
v5.12.0-RC3
v5.12.0-RC4
v5.12.0-RC5
v5.13.0
v5.13.1
v5.13.10
v5.13.11
v5.13.2
v5.13.3
v5.13.4
v5.13.5
v5.13.6
v5.13.7
v5.13.8
v5.13.9
v5.14.0
v5.14.0-RC1
v5.14.0-RC2
v5.14.0-RC3
v5.15.0
v5.15.1
v5.15.2
v5.15.3
v5.15.4
v5.15.5
v5.15.9
v5.16.0
v5.16.0-RC1
v5.16.0-RC2
v5.17.0
v5.17.2
v5.17.4
v5.17.6
v5.17.7
v5.17.7.0
v5.17.8
v5.17.9
v5.18.0
v5.18.0-RC1
v5.18.0-RC2
v5.18.0-RC3
v5.18.0-RC4
v5.19.0
v5.19.1
v5.19.11
v5.19.2
v5.19.3
v5.19.5
v5.19.7
v5.20.0
v5.20.0-RC1
v5.21.0
v5.21.1
v5.21.10
v5.21.11
v5.21.4
v5.21.5
v5.21.6
v5.21.8
v5.21.9
v5.22.0
v5.22.0-RC1
v5.22.0-RC2
v5.23.0
v5.23.1
v5.23.2
v5.23.3
v5.23.4
v5.23.6
v5.23.7
v5.24.0
v5.24.0-RC1
v5.24.0-RC2
v5.24.0-RC3
v5.24.0-RC4
v5.24.0-RC5
v5.25.0
v5.25.11
v5.25.2
v5.25.3
v5.25.4
v5.25.5
v5.25.7
v5.25.9
v5.26.0
v5.26.0-RC2
v5.27.0
v5.27.10
v5.27.11
v5.27.3
v5.27.5
v5.27.6
v5.27.7
v5.27.8
v5.28.0
v5.28.0-RC1
v5.28.0-RC2
v5.28.0-RC3
v5.28.0-RC4
v5.29.0
v5.29.1
v5.29.10
v5.29.5
v5.29.6
v5.29.7
v5.29.8
v5.29.9
v5.30.0
v5.30.0-RC1
v5.30.0-RC2
v5.31.0
v5.31.1
v5.31.11
v5.31.2
v5.31.3
v5.31.4
v5.31.5
v5.31.7
v5.32.0
v5.32.0-RC1
v5.33.0
v5.33.1
v5.33.2
v5.33.3
v5.33.4
v5.33.7
v5.33.8
v5.33.9
v5.34.0
v5.34.0-RC1
v5.34.0-RC2
v5.35.0
v5.35.10
v5.35.11
v5.35.3
v5.35.5
v5.35.6
v5.35.8
v5.35.9
v5.36.0
v5.36.0-RC3
v5.37.0
v5.37.1
v5.37.10
v5.37.11
v5.37.2
v5.37.3
v5.37.4
v5.37.5
v5.37.6
v5.37.7
v5.37.9
v5.38.0
v5.38.0-RC1
v5.38.0-RC2
v5.39.0
v5.39.1
v5.39.3
v5.39.4
v5.39.5
v5.39.7
v5.39.8
v5.40.0
v5.40.0-RC1
v5.40.0-RC2
v5.40.1
v5.40.1-RC1
v5.40.2
v5.40.2-RC1
v5.40.3
v5.40.3-RC1
v5.40.4-RC1
v5.41.0
v5.41.1
v5.41.10
v5.41.11
v5.41.12
v5.41.13
v5.41.2
v5.41.3
v5.41.4
v5.41.5
v5.41.7
v5.41.8
v5.41.9
v5.42.0
v5.42.0-RC1
v5.42.0-RC2
v5.42.0-RC3
v5.42.1
v5.42.1-RC1
v5.42.2-RC1
v5.43.0
v5.43.1
v5.43.2
v5.43.6
v5.43.8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-4176.json"