RLSA-2026:98478

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Source

https://errata.rockylinux.org/RLSA-2026:98478

Import Source

https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json

JSON Data

https://api.osv.dev/v1/vulns/RLSA-2026:98478

Upstream

CVE (4)

Published

2026-11-13T12:04:43Z

Modified

2026-11-13T12:45:02Z

Severity

8.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L CVSS Calculator

Summary

Important: expat security update

Details

Expat is a C library for parsing XML documents.

Security Fix(es):

expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)
expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)
expat: expat: Denial of Service via integer overflow in expat_realloc (CVE-2026-102633)
expat: expat: Information disclosure via heap buffer over-read in XML_ParseBuffer (CVE-2026-77214)

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

{
    "license": "CC-BY-4.0",
    "license_url": "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory": "RHSA-2026:98478"
}

References

Credits

- Rocky Enterprise Software Foundation
- Red Hat

Affected packages

Rocky Linux:9

expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debuginfo

Package

Name: expat-debuginfo
Purl: pkg:rpm/rocky-linux/expat-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debugsource

Package

Name: expat-debugsource
Purl: pkg:rpm/rocky-linux/expat-debugsource?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-devel

Package

Name: expat-devel
Purl: pkg:rpm/rocky-linux/expat-devel?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debuginfo

Package

Name: expat-debuginfo
Purl: pkg:rpm/rocky-linux/expat-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debugsource

Package

Name: expat-debugsource
Purl: pkg:rpm/rocky-linux/expat-debugsource?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-devel

Package

Name: expat-devel
Purl: pkg:rpm/rocky-linux/expat-devel?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debuginfo

Package

Name: expat-debuginfo
Purl: pkg:rpm/rocky-linux/expat-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debugsource

Package

Name: expat-debugsource
Purl: pkg:rpm/rocky-linux/expat-debugsource?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-devel

Package

Name: expat-devel
Purl: pkg:rpm/rocky-linux/expat-devel?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debuginfo

Package

Name: expat-debuginfo
Purl: pkg:rpm/rocky-linux/expat-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debugsource

Package

Name: expat-debugsource
Purl: pkg:rpm/rocky-linux/expat-debugsource?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-devel

Package

Name: expat-devel
Purl: pkg:rpm/rocky-linux/expat-devel?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat

Package

Name: expat
Purl: pkg:rpm/rocky-linux/expat?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debuginfo

Package

Name: expat-debuginfo
Purl: pkg:rpm/rocky-linux/expat-debuginfo?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-debugsource

Package

Name: expat-debugsource
Purl: pkg:rpm/rocky-linux/expat-debugsource?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "BaseOS"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"

expat-devel

Package

Name: expat-devel
Purl: pkg:rpm/rocky-linux/expat-devel?distro=rocky-linux-9&epoch=0

Affected ranges

Type

ECOSYSTEM

Events

Introduced

Fixed

0:2.5.0-9.el9_9.4

Database specific

Show details

{
    "yum_repository": "AppStream"
}

Database specific

source

"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98478.json"