# ALSA-2021:4373: Security update for 6 packages

ALSA-2021:4373, released November 9, 2021, fixes 2 CVEs across 6 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2021-4373
- Platform: Linux
- Released: Nov 9, 2021
- Priority: High (Closes CVE-2020-14155, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2021:4373

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [pcre](https://patchblox.com/security/data/product/linux/pcre.md) | almalinux 8 | 8.42-6.el8 |
| [pcre-cpp](https://patchblox.com/security/data/product/linux/pcre-cpp.md) | almalinux 8 | 8.42-6.el8 |
| [pcre-devel](https://patchblox.com/security/data/product/linux/pcre-devel.md) | almalinux 8 | 8.42-6.el8 |
| [pcre-static](https://patchblox.com/security/data/product/linux/pcre-static.md) | almalinux 8 | 8.42-6.el8 |
| [pcre-utf16](https://patchblox.com/security/data/product/linux/pcre-utf16.md) | almalinux 8 | 8.42-6.el8 |
| [pcre-utf32](https://patchblox.com/security/data/product/linux/pcre-utf32.md) | almalinux 8 | 8.42-6.el8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-14155](https://patchblox.com/security/data/cve/CVE-2020-14155.md) | High | libpcre16-3: libpcre in PCRE before 8.44 allows an integer overflow via a large number after a (?C substring. | 7.5 | 0.0418 |  |
| [CVE-2019-20838](https://patchblox.com/security/data/cve/CVE-2019-20838.md) | High | pcre: PCRE is a Perl-compatible regular expression library | 7.5 | 0.0284 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo