RLSA-2026:50728

See a problem?
Please try reporting it to the source first.
Source
https://errata.rockylinux.org/RLSA-2026:50728
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:50728
Upstream
Published
2026-08-27T00:01:25.860139Z
Modified
2026-08-27T00:30:03.663282064Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N CVSS Calculator
Summary
Important: ruby:3.3 security, bug fix, and enhancement update
Details

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

  • zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader (CVE-2026-27820)

  • net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF sequences in unvalidated input (CVE-2026-42257)

  • ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication (CVE-2026-42256)

  • net-imap: Net::IMAP: Command injection via non-synchronizing literals (CVE-2026-47240)

  • net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation (CVE-2026-47242)

  • net-imap: rubygem-net-imap: Net::IMAP: Denial of Service via malformed command input (CVE-2026-47241)

Bug Fix(es) and Enhancement(s):

  • ruby:3.3/ruby: Rebase to the latest Ruby 3.3 release [rhel-8] (JIRA:Rocky Linux-170929)

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.

Database specific 
{
    "source_advisory": "RHSA-2026:50728",
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8
ruby

Package

Name
ruby
Purl
pkg:rpm/rocky-linux/ruby?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:3.3.12-8.module+el8.10.0+40269+dc93e2d1
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.10.0+1679+61871737
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.10.0+1741+bdb5b6ca
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.5.0+668+665814fa
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.9.0+1537+0b2034bd
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.10.0+1827+16ecb9d2
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.10.0+1820+f3fffb92
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-abrt

Package

Name
rubygem-abrt
Purl
pkg:rpm/rocky-linux/rubygem-abrt?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.4.0-1.module+el8.10.0+1826+b62220b4
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-mysql2

Package

Name
rubygem-mysql2
Purl
pkg:rpm/rocky-linux/rubygem-mysql2?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.5.5-1.module+el8.10.0+1679+61871737
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-mysql2

Package

Name
rubygem-mysql2
Purl
pkg:rpm/rocky-linux/rubygem-mysql2?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:0.5.5-1.module+el8.10.0+1827+16ecb9d2
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-pg

Package

Name
rubygem-pg
Purl
pkg:rpm/rocky-linux/rubygem-pg?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:1.5.4-1.module+el8.10.0+1679+61871737
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"
rubygem-pg

Package

Name
rubygem-pg
Purl
pkg:rpm/rocky-linux/rubygem-pg?distro=rocky-linux-8&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:1.5.4-1.module+el8.10.0+1827+16ecb9d2
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:50728.json"