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.
総合評価: CVE-2021-4048 は高リスク(67.8/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 2.62%、83 パーセンタイル) 根拠: 直近 1 日で EPSS が +2.25% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ(新 − 旧) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.36% | 2.62% | +2.25% |
| 2 | 2026-01-20 | 0.24% | 0.36% | +0.13% |
| 3 | 2026-01-02 | — | 0.24% | — |
EPSS の全履歴 (全 19 件)
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | 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. | https://security-tracker.debian.org/tracker/CVE-2021-4048 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-4048 |
suse
|
medium | CVE-2021-4048 severity moderate: SUSE including 133 source package names (0.1.6-1.2:libblas3-3.5.0-4.6.1, 0.1.6-1.2:liblapack3-3.5.0-4.6.1, …), 230 product×package rows across 33 product lines (Container containers/lmcache-lmstack-router, Container containers/lmcache-vllm-openai, … (33 product lines)): Fixed 215, Known Not Affected 15. | https://www.suse.com/security/cve/CVE-2021-4048/ |
ubuntu
|
low | CVE-2021-4048 low priority: Ubuntu including 2 source packages (lapack, openblas), 30 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 17, ignored 5, needed 4, needs-triage 2, released 2. | https://ubuntu.com/security/CVE-2021-4048 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| lapack_project | lapack | <= 3.10.0 | cpe:2.3:a:lapack_project:lapack:*:*:*:*:*:*:*:* |
| openblas_project | openblas | < 0.3.18 | cpe:2.3:a:openblas_project:openblas:*:*:*:*:*:*:*:* |
| julialang | julia | <= 1.6.3 | cpe:2.3:a:julialang:julia:*:*:*:*:*:*:*:* |
| julialang | julia | 1.7.0 | cpe:2.3:a:julialang:julia:1.7.0:beta1:*:*:*:*:*:* |
| julialang | julia | 1.7.0 | cpe:2.3:a:julialang:julia:1.7.0:beta2:*:*:*:*:*:* |
| julialang | julia | 1.7.0 | cpe:2.3:a:julialang:julia:1.7.0:beta3:*:*:*:*:*:* |
| julialang | julia | 1.7.0 | cpe:2.3:a:julialang:julia:1.7.0:beta4:*:*:*:*:*:* |
| julialang | julia | 1.7.0 | cpe:2.3:a:julialang:julia:1.7.0:rc1:*:*:*:*:*:* |
| redhat | ceph_storage | 2.0 | cpe:2.3:a:redhat:ceph_storage:2.0:*:*:*:*:*:*:* |
| redhat | ceph_storage | 3.0 | cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:* |
| redhat | ceph_storage | 4.0 | cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* |
| redhat | ceph_storage | 5.0 | cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:* |
| redhat | openshift_container_storage | 4.0 | cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:* |
| redhat | openshift_data_foundation | 4.0 | cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| fedoraproject | fedora | 35 | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |