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 source code, which is then used to modify spec…
Evidence confidence: Insufficient evidence
No source documents yet.
● Hype ● Reality
Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.
First record: hype 0.0 · reality 5.8 (2026-11-02 15:13). The curve appears once the score changes.
Public exploit entries / repo candidates
Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.
Score evaluated: 2026-11-05 13:59:12.500772+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z