RHSA-2026:50319 - Security Advisory

Topic

An update is now available for Red Hat Ansible Automation Platform 2.5

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language.

Security Fix(es):

• automation-controller: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)
• automation-eda-controller: ExternalEventStreamViewSet trusts Subject header without validation and leaks expected DN (CVE-2026-12383)
• automation-gateway-proxy: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
• python3.12-aiohttp: Arbitrary code execution via untrusted input to CookieJar.load() (CVE-2026-34993)
• python3.12-daphne: daphne: Denial of Service via excessive WebSocket message size (CVE-2026-44545)
• python3.12-pillow: Denial of Service via crafted PCF font data (CVE-2026-54059)
• python3.12-pillow: Denial of Service via excessive memory allocation when processing font files (CVE-2026-54060)
• python3.12-pillow: Denial of Service via crafted BDF font file (CVE-2026-55379)
• python3.12-pillow: Denial of Service via crafted GD 2.x image file (CVE-2026-55380)
• python3.12-pillow: Native heap out-of-bounds write (CVE-2026-59197)
• python3.12-pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59885)
• python3.12-pyasn1: Denial of Service via crafted ASN.1 OBJECT IDENTIFIER (CVE-2026-59886)
• receptor: quic-go: Denial of Service via excessive memory allocation in HTTP/3 trailers (CVE-2026-40898)
• receptor: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries (CVE-2026-27145)

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.

For details about this release, refer to the release notes listed in the References section.

Solution

For details on how to apply this update, refer to Ansible Automation Platform documentation.

Affected Products

• Red Hat Ansible Automation Platform 2.5 for RHEL 9 x86_64
• Red Hat Ansible Automation Platform 2.5 for RHEL 9 s390x
• Red Hat Ansible Automation Platform 2.5 for RHEL 9 ppc64le
• Red Hat Ansible Automation Platform 2.5 for RHEL 9 aarch64
• Red Hat Ansible Automation Platform 2.5 for RHEL 8 x86_64
• Red Hat Ansible Automation Platform 2.5 for RHEL 8 s390x
• Red Hat Ansible Automation Platform 2.5 for RHEL 8 ppc64le
• Red Hat Ansible Automation Platform 2.5 for RHEL 8 aarch64
• Red Hat Ansible Inside 1.3 for RHEL 9 x86_64
• Red Hat Ansible Inside 1.3 for RHEL 9 s390x
• Red Hat Ansible Inside 1.3 for RHEL 9 ppc64le
• Red Hat Ansible Inside 1.3 for RHEL 9 aarch64
• Red Hat Ansible Inside 1.3 for RHEL 8 x86_64
• Red Hat Ansible Inside 1.3 for RHEL 8 s390x
• Red Hat Ansible Inside 1.3 for RHEL 8 ppc64le
• Red Hat Ansible Inside 1.3 for RHEL 8 aarch64
• Red Hat Ansible Developer 1.2 for RHEL 9 x86_64
• Red Hat Ansible Developer 1.2 for RHEL 9 s390x
• Red Hat Ansible Developer 1.2 for RHEL 9 ppc64le
• Red Hat Ansible Developer 1.2 for RHEL 9 aarch64
• Red Hat Ansible Developer 1.2 for RHEL 8 x86_64
• Red Hat Ansible Developer 1.2 for RHEL 8 s390x
• Red Hat Ansible Developer 1.2 for RHEL 8 ppc64le
• Red Hat Ansible Developer 1.2 for RHEL 8 aarch64

Fixes

• BZ - 2467822 - CVE-2026-33811 net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME
• BZ - 2482734 - CVE-2026-48526 python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens
• BZ - 2484099 - CVE-2026-34993 aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load()
• BZ - 2484207 - CVE-2026-27145 crypto/x509: golang: golang crypto/x509: Denial of Service via excessive processing of DNS SAN entries
• BZ - 2484377 - CVE-2026-44545 daphne: daphne: Denial of Service via excessive WebSocket message size
• BZ - 2484875 - CVE-2026-40898 github.com/quic-go/quic-go: quic-go: Denial of Service via excessive memory allocation in HTTP/3 trailers
• BZ - 2489127 - CVE-2026-12383 eda-server: ExternalEventStreamViewSet trusts Subject header without validation and leaks expected DN
• BZ - 2497452 - CVE-2026-55379 python-pillow: Pillow: Denial of Service via crafted BDF font file
• BZ - 2497455 - CVE-2026-55380 python-pillow: Pillow: Denial of Service via crafted GD 2.x image file
• BZ - 2497464 - CVE-2026-54059 python-pillow: Pillow: Denial of Service via crafted PCF font data
• BZ - 2497466 - CVE-2026-54060 python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files
• BZ - 2500041 - CVE-2026-59886 pyasn1: pyasn1: Denial of Service via crafted ASN.1 REAL values
• BZ - 2500043 - CVE-2026-59197 Pillow: Pillow: Native heap out-of-bounds write
• BZ - 2500380 - CVE-2026-59885 pyasn1: python-pyasn1: pyasn1: Denial of Service via crafted ASN.1 OBJECT IDENTIFIER

CVEs

• CVE-2026-12383
• CVE-2026-27145
• CVE-2026-33811
• CVE-2026-34993
• CVE-2026-40898
• CVE-2026-44545
• CVE-2026-48526
• CVE-2026-54059
• CVE-2026-54060
• CVE-2026-55379
• CVE-2026-55380
• CVE-2026-59197
• CVE-2026-59885
• CVE-2026-59886

References

• https://access.redhat.com/security/updates/classification/#important
• https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5/html/release_notes/patch_releases
• https://docs.redhat.com/en/documentation/red_hat_ansible_automation_platform/2.5#Upgrading