RLSA-2026:98502

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Source
https://errata.rockylinux.org/RLSA-2026:98502
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:98502
Upstream
CVE (7)
  • CVE-2026-111943
  • CVE-2026-33818
  • CVE-2026-56853
  • CVE-2026-56862
  • CVE-2026-78667
  • CVE-2026-94440
  • CVE-2026-97031
Published
2026-11-13T12:04:43Z
Modified
2026-11-13T12:45:06Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Important: gvisor-tap-vsock security update
Details

A replacement for libslirp and VPNKit, written in pure Go. It is based on the network stack of gVisor. Compared to libslirp, gvisor-tap-vsock brings a configurable DNS server and dynamic port forwarding.

Security Fix(es):

  • encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)

  • net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)

  • crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)

  • net/http: golang: golang: Denial of Service via crafted HTTP Range headers (CVE-2026-78667)

  • crypto/tls: golang: crypto/tls: Denial of Service via multiple ECH outer extension references (CVE-2026-97031)

  • net/textproto: mime/multipart: golang: golang: Denial of Service via memory limit bypass in multipart form parsing (CVE-2026-94440)

  • crypto/x509: golang: crypto/x509: Man-in-the-middle attacks via untrusted intermediate certificates (CVE-2026-111943)

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-2026:98502"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:9
gvisor-tap-vsock

Package

Name
gvisor-tap-vsock
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debuginfo

Package

Name
gvisor-tap-vsock-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debugsource

Package

Name
gvisor-tap-vsock-debugsource
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debugsource?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder

Package

Name
gvisor-tap-vsock-gvforwarder
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder-debuginfo

Package

Name
gvisor-tap-vsock-gvforwarder-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock

Package

Name
gvisor-tap-vsock
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debuginfo

Package

Name
gvisor-tap-vsock-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debugsource

Package

Name
gvisor-tap-vsock-debugsource
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debugsource?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder

Package

Name
gvisor-tap-vsock-gvforwarder
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder-debuginfo

Package

Name
gvisor-tap-vsock-gvforwarder-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock

Package

Name
gvisor-tap-vsock
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debuginfo

Package

Name
gvisor-tap-vsock-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debugsource

Package

Name
gvisor-tap-vsock-debugsource
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debugsource?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder

Package

Name
gvisor-tap-vsock-gvforwarder
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder-debuginfo

Package

Name
gvisor-tap-vsock-gvforwarder-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock

Package

Name
gvisor-tap-vsock
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debuginfo

Package

Name
gvisor-tap-vsock-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-debugsource

Package

Name
gvisor-tap-vsock-debugsource
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-debugsource?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder

Package

Name
gvisor-tap-vsock-gvforwarder
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"
gvisor-tap-vsock-gvforwarder-debuginfo

Package

Name
gvisor-tap-vsock-gvforwarder-debuginfo
Purl
pkg:rpm/rocky-linux/gvisor-tap-vsock-gvforwarder-debuginfo?distro=rocky-linux-9&epoch=6

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
6:0.8.8-2.el9_9
Database specific
Show details 
{
    "yum_repository": "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:98502.json"