# ELSA-2023-4523: Security update for 4 packages

ELSA-2023-4523, released August 10, 2023, fixes 2 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/elsa-2023-4523
- Platform: Linux
- Released: Aug 10, 2023
- Priority: Routine (Closes 2 CVEs, none high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://linux.oracle.com/errata/ELSA-2023-4523.html

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [curl](https://patchblox.com/security/data/product/linux/curl.md) | ol 8 | 0:7.61.1-30.el8_8.3 |
| [libcurl](https://patchblox.com/security/data/product/linux/libcurl.md) | ol 8 | 0:7.61.1-30.el8_8.3 |
| [libcurl-devel](https://patchblox.com/security/data/product/linux/libcurl-devel.md) | ol 8 | 0:7.61.1-30.el8_8.3 |
| [libcurl-minimal](https://patchblox.com/security/data/product/linux/libcurl-minimal.md) | ol 8 | 0:7.61.1-30.el8_8.3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-28321](https://patchblox.com/security/data/cve/CVE-2023-28321.md) | Routine | curl: An improper certificate validation vulnerability exists in curl <v8.1.0 inthe way it supports matching of wildcard pa... | 5.9 | 0.0181 |  |
| [CVE-2023-27536](https://patchblox.com/security/data/cve/CVE-2023-27536.md) | Routine | libcurl: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various p... | 5.9 | 0.0176 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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.