debian · CVE-2021-4048

Quick triage

Priority: not yet assigned Published: Updated: Wed, 08 Jul 2026 15:01:25 GMT

View at Official debian advisory, NVD, CVE.org · CVE detail

Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.

Tracker summary

CVE-2021-4048 not yet assigned priority: Debian including 2 source packages (lapack, openblas), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2.

Description:

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

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