# ELSA-2023-32791: edk2-tools security update

ELSA-2023-32791, released December 6, 2023, fixes 4 CVEs in edk2-tools (version 1:20230821-1.el8). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-32791
- Platform: Linux
- Released: Dec 6, 2023
- Priority: High (Closes CVE-2023-0286, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-32791.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [edk2-tools](https://patchblox.com/security/data/product/linux/edk2-tools.md) | ol 8 | 1:20230821-1.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-0286](https://patchblox.com/security/data/cve/CVE-2023-0286.md) | High | libssl3t64: There is a type confusion vulnerability relating to X.400 addressprocessinginside an X.509 GeneralName | 7.5 | 0.6929 |  |
| [CVE-2022-4450](https://patchblox.com/security/data/cve/CVE-2022-4450.md) | High | libssl3t64: The function PEM_read_bio_ex() reads a PEM file from a BIO and parses anddecodes the "name" (e.g | 7.5 | 0.2859 |  |
| [CVE-2022-4304](https://patchblox.com/security/data/cve/CVE-2022-4304.md) | High | libssl3t64: A timing based side channel exists in the OpenSSL RSA Decryptionimplementationwhich could be sufficient to recover a... | 7.5 | 0.2351 |  |
| [CVE-2023-0215](https://patchblox.com/security/data/cve/CVE-2023-0215.md) | High | libssl3t64: The public API function BIO_new_NDEF is a helper function used forstreamingASN.1 data via a BIO | 7.5 | 0.0502 |  |

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Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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