# ALSA-2026:50778: Security update for 24 packages

ALSA-2026:50778, released August 5, 2026, fixes 6 CVEs across 24 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/alsa-2026-50778
- Platform: Linux
- Released: Aug 5, 2026
- Priority: High (Closes CVE-2026-47240, high severity)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2026:50778

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [ruby](https://patchblox.com/security/data/product/linux/ruby.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [ruby-bundled-gems](https://patchblox.com/security/data/product/linux/ruby-bundled-gems.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [ruby-default-gems](https://patchblox.com/security/data/product/linux/ruby-default-gems.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [ruby-devel](https://patchblox.com/security/data/product/linux/ruby-devel.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [ruby-doc](https://patchblox.com/security/data/product/linux/ruby-doc.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [ruby-libs](https://patchblox.com/security/data/product/linux/ruby-libs.md) | almalinux 10 | 3.3.12-14.el10_2 |
| [rubygem-bigdecimal](https://patchblox.com/security/data/product/linux/rubygem-bigdecimal.md) | almalinux 10 | 3.1.5-14.el10_2 |
| [rubygem-bundler](https://patchblox.com/security/data/product/linux/rubygem-bundler.md) | almalinux 10 | 2.5.22-14.el10_2 |
| [rubygem-io-console](https://patchblox.com/security/data/product/linux/rubygem-io-console.md) | almalinux 10 | 0.7.1-14.el10_2 |
| [rubygem-irb](https://patchblox.com/security/data/product/linux/rubygem-irb.md) | almalinux 10 | 1.13.1-14.el10_2 |
| [rubygem-json](https://patchblox.com/security/data/product/linux/rubygem-json.md) | almalinux 10 | 2.7.2-14.el10_2 |
| [rubygem-minitest](https://patchblox.com/security/data/product/linux/rubygem-minitest.md) | almalinux 10 | 5.20.0-14.el10_2 |
| [rubygem-power_assert](https://patchblox.com/security/data/product/linux/rubygem-power-assert.md) | almalinux 10 | 2.0.3-14.el10_2 |
| [rubygem-psych](https://patchblox.com/security/data/product/linux/rubygem-psych.md) | almalinux 10 | 5.1.2-14.el10_2 |
| [rubygem-racc](https://patchblox.com/security/data/product/linux/rubygem-racc.md) | almalinux 10 | 1.7.3-14.el10_2 |
| [rubygem-rake](https://patchblox.com/security/data/product/linux/rubygem-rake.md) | almalinux 10 | 13.1.0-14.el10_2 |
| [rubygem-rbs](https://patchblox.com/security/data/product/linux/rubygem-rbs.md) | almalinux 10 | 3.4.0-14.el10_2 |
| [rubygem-rdoc](https://patchblox.com/security/data/product/linux/rubygem-rdoc.md) | almalinux 10 | 6.6.3.1-14.el10_2 |
| [rubygem-rexml](https://patchblox.com/security/data/product/linux/rubygem-rexml.md) | almalinux 10 | 3.4.4-14.el10_2 |
| [rubygem-rss](https://patchblox.com/security/data/product/linux/rubygem-rss.md) | almalinux 10 | 0.3.1-14.el10_2 |
| [rubygem-test-unit](https://patchblox.com/security/data/product/linux/rubygem-test-unit.md) | almalinux 10 | 3.6.1-14.el10_2 |
| [rubygem-typeprof](https://patchblox.com/security/data/product/linux/rubygem-typeprof.md) | almalinux 10 | 0.21.9-14.el10_2 |
| [rubygems](https://patchblox.com/security/data/product/linux/rubygems.md) | almalinux 10 | 3.5.22-14.el10_2 |
| [rubygems-devel](https://patchblox.com/security/data/product/linux/rubygems-devel.md) | almalinux 10 | 3.5.22-14.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-47240](https://patchblox.com/security/data/cve/CVE-2026-47240.md) | High | Net::IMAP: Command Injection via non-synchronizing literal in "raw" argument | 7.3 | 0.0083 |  |
| [CVE-2026-27820](https://patchblox.com/security/data/cve/CVE-2026-27820.md) | High | zlib: Buffer Overflow in Zlib::GzipReader ungetc via large input leads to memory corruption | 7.3 | 0.0056 |  |
| [CVE-2026-42257](https://patchblox.com/security/data/cve/CVE-2026-42257.md) | High | net-imap: Command Injection via "raw" arguments to multiple commands | 7.3 | 0.0043 |  |
| [CVE-2026-47241](https://patchblox.com/security/data/cve/CVE-2026-47241.md) | High | Net::IMAP: Denial of Service via incomplete raw argument validation | 7.3 | 0.0038 |  |
| [CVE-2026-42256](https://patchblox.com/security/data/cve/CVE-2026-42256.md) | High | net-imap: Denial of service via high iteration count for `SCRAM-*` authentication | 7.3 | 0.0030 |  |
| [CVE-2026-47242](https://patchblox.com/security/data/cve/CVE-2026-47242.md) | High | ruby: Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby | 7.3 | 0.0018 |  |

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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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