CVE-2022-4976

CVE-2022-4976 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Archive::Unzip::Burst from 0.01 through 0.09 for Perl contains a bundled InfoZip library that is affected by several vulnerabilities. The bundled library is affected by CVE-2014-8139, CVE-2014-8140 and CVE-2014-8141.

Frequently asked questions

What is CVE-2022-4976?
Archive::Unzip::Burst from 0.01 through 0.09 for Perl contains a bundled InfoZip library that is affected by several vulnerabilities. The bundled library is affected by CVE-2014-8139, CVE-2014-8140 and CVE-2014-8141.
How severe is CVE-2022-4976?
CVE-2022-4976 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4976 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2022-4976?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2022-4976 have an EU (EUVD) identifier?
Yes. CVE-2022-4976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2022-55186.
When was CVE-2022-4976 published?
CVE-2022-4976 was published on 2025-06-12 and last updated on 2026-06-17.

References