# CVE-2021-4048: openblas-static: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.  Security Fix(es):  * lapack: Out-of-bound...

CVE-2021-4048 is fixed in 13 products on 1 platform, first by DEBIAN-CVE-2021-4048, released December 8, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-4048
- Priority: High
- CVSS: 9.1 (Moderate)
- EPSS: 0.0276
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 8, 2021

## Description

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.  Security Fix(es):  * lapack: Out-of-bounds read in *larrv (CVE-2021-4048)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | lapack Debian 12.15 (bookworm) | 3.10.0-2 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | lapack Debian 13.5 (trixie) | 3.10.0-2 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | lapack Debian 14 | 3.10.0-2 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | openblas Debian 12.15 (bookworm) | 0.3.18+ds-1 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | openblas Debian 13.5 (trixie) | 0.3.18+ds-1 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | openblas Debian 14 | 0.3.18+ds-1 | [DEBIAN-CVE-2021-4048](https://patchblox.com/security/data/fix/linux/debian-cve-2021-4048.md) | Dec 8, 2021 |
| Linux | openblas RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas rocky 8 | 0:0.3.15-4.el8 | [RLSA-2022:7639](https://patchblox.com/security/data/fix/linux/rlsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-Rblas RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-Rblas almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-Rblas ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-devel RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-devel almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-devel ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-openmp RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-openmp64 RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp64 almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp64 ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-openmp64_ RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp64_ almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-openmp64_ ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-serial64 RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-serial64 almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-serial64 ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-serial64_ RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-serial64_ almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-serial64_ ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-static RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-static almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-static ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-threads RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-threads64 RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads64 almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads64 ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |
| Linux | openblas-threads64_ RHEL 8 | 0:0.3.15-4.el8 | [RHSA-2022:7639](https://patchblox.com/security/data/fix/linux/rhsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads64_ almalinux 8 | 0.3.15-4.el8 | [ALSA-2022:7639](https://patchblox.com/security/data/fix/linux/alsa-2022-7639.md) | Nov 8, 2022 |
| Linux | openblas-threads64_ ol 8 | 0:0.3.15-4.el8 | [ELSA-2022-7639](https://patchblox.com/security/data/fix/linux/elsa-2022-7639.md) | Nov 15, 2022 |

---

Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.