XZ Utils Backdoor — Tukaani Xz Vulnerability
CVE-2024-3094
Malicious code was discovered in the upstream tarballs of xz, starting with version 5.6.0. Through a series of complex obfuscations, the liblzma build process extracts a prebuilt object file from a disguised test file existing in the sou…
EPSS: 0.860 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-3094?
- CVE-2024-3094 is a critical-severity vulnerability in Tukaani Xz, classified under CWE-506. CVSS score: 10.0/10. Published 2024-03-29.
- How severe is CVE-2024-3094?
- Critical severity. CVSS v3 base score is 10.0 out of 10.
- Is CVE-2024-3094 known to be exploited?
- 208 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.