RHSA-2026:92861 - Security Advisory

Topic

A security update for Red Hat Satellite is now available.

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 links in the References section.

Description

This advisory provides security fixes for affected packages used by Red Hat Satellite. The updates address the vulnerabilities described below.

Security Fix(es):

• python-django and python3.12-django: Remote code execution via GeoDjango spatial lookups (CVE-2026-15307).
• yggdrasil-worker-forwarder: Denial of Service in Go net/http due to unencrypted HTTP/2 connections (CVE-2026-56853).
• yggdrasil-worker-forwarder: Denial of Service via malformed RPC requests in gRPC-Go (CVE-2026-84445).
• yggdrasil-worker-forwarder: Denial of Service via multiple ECH outer extension references in crypto/tls (CVE-2026-97031).
• yggdrasil-worker-forwarder: Denial of Service via crafted HTTP Range headers in Go (CVE-2026-78667).
• yggdrasil-worker-forwarder: Denial of Service via excessive HTTP/2 SETTINGS frames in net/http (CVE-2026-78669).
• yggdrasil-worker-forwarder: Man-in-the-middle attacks via untrusted intermediate certificates in crypto/x509 (CVE-2026-111943).
• yggdrasil-worker-forwarder: golang: Denial of Service via memory limit bypass in multipart form parsing (CVE-2026-94440).
• openvox-server: Denial of Service via unchecked DTLS handshake reassembler buffer allocation in Bouncy Castle for Java (CVE-2026-59646).
• openvox-server: CPU Denial of Service via unbounded numeric parsing in jackson-databind (CVE-2026-68497).
• openvox-server: HTTP request smuggling via crafted chunked requests in Jetty (CVE-2026-19203).
• openvox-server: Denial of Service via regular expression backtracking in jackson-core (CVE-2026-89407).
• openvox-server: Denial of Service via unbounded StringBuilder growth during malformed token processing in jackson-core (CVE-2026-89425).
• openvox-server: Access control bypass via case-sensitive host filtering in Eclipse Jetty (CVE-2026-18660).
• python3.12-urllib3: Denial of Service via unbounded memory allocation in the chunk parser (CVE-2026-97689).
• python3.12-urllib3: Traffic interception via HTTPS proxy TLS configuration override (CVE-2026-97687).
• python3.12-gitpython: Denial of Service via a crafted commit author field (CVE-2026-87819).
• python3.12-gitpython: Denial of Service via regular expression backtracking in date parsing (CVE-2026-110856).
• python3.12-gitpython: Arbitrary code execution via improper submodule path validation (CVE-2026-114145).
• python3.12-gitpython: Command injection via Remote.pull() refspec in GitPython before 3.2.0 (CVE-2026-110858).
• python3.12-gitpython: Arbitrary file read via argument injection in branch checkout (CVE-2026-110859).
• python3.12-gitpython: Arbitrary code execution via unsafe URL protocol handling (CVE-2026-110857).
• python3.12-gitpython: Arbitrary code execution via path traversal (CVE-2026-78677).
• python-gitpython: Arbitrary file read via Repo.archive() (CVE-2026-73619).
• python3.12-pillow: Heap buffer overflow in ImagingJpegDecode (CVE-2026-112403).
• python3.12-pillow: Heap buffer overflow in FlashPix (FPX) JPEG decoding leading to code execution (CVE-2026-112398).
• python3.12-pillow: Heap buffer overflow in _tiffWriteProc when saving TIFF to BytesIO (CVE-2026-112393).
• python3.12-pillow: Denial of Service via unbounded recursion in the PDF parser (CVE-2026-112391).
• python3.12-pillow: Denial of Service via unbounded memory expansion in MSP image decoder CVE-2026-112892
• python3.12-pillow: Denial of Service via repeated EXIF headers CVE-2026-96643
• python3.12-pillow: Denial of Service via duplicate page references in PDF files CVE-2026-96640
• python3.12-pillow: Arbitrary code execution via JPEG encoder buffer overflow CVE-2026-96778
• python3.12-pillow: Denial of Service via infinite loop during PDF page rewriting CVE-2026-112406
• python3.12-pillow: Denial of Service via out-of-bounds read in TIFF decoding CVE-2026-112404
• python3.12-pillow: Denial of Service via out-of-bounds read in TIFF encoder CVE-2026-112896
• python3.12-pillow: Information disclosure via uninitialized buffer in TIFF decoding CVE-2026-112897
• python3.12-pillow: Denial of Service via invalid pointer free during font rendering CVE-2026-112893
• python3.12-pillow: Denial of Service via double free during image transformation CVE-2026-112402
• python3.12-pillow: Denial of Service via crafted PDF during append operations CVE-2026-112895
• python3.12-pillow: Denial of Service via crafted multi-frame image conversion CVE-2026-112894
• python3.12-pillow: Denial of Service via memory exhaustion from crafted GIF image CVE-2026-112400
• python3.12-pillow: Denial of Service via out-of-bounds memory access on zero-width images CVE-2026-112397
• python3.12-pillow: Denial of Service via zero-size images in rank filters CVE-2026-112392
• python3.12-pillow: Denial of Service via crafted APNG image CVE-2026-112399
• python3.12-pillow: Denial of Service via null pointer dereference in Image merge CVE-2026-112405
• python3.12-pillow: Denial of Service via infinite loop during crafted MIC image parsing CVE-2026-112390
• python3.12-pillow: Denial of Service via unbounded recursion in PDF parser CVE-2026-112391
• python3.12-brotli: Out-of-bounds write in the Google Brotli decoder (CVE-2026-111497).

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For detailed instructions on applying this update, refer to:

https://docs.redhat.com/en/documentation/red_hat_satellite/6.19/html/updating_red_hat_satellite/index

Affected Products

• Red Hat Satellite 6.19 x86_64
• Red Hat Satellite Capsule 6.19 x86_64

Fixes

CVEs

• CVE-2026-15307
• CVE-2026-18660
• CVE-2026-19203
• CVE-2026-56853
• CVE-2026-59646
• CVE-2026-68497
• CVE-2026-73619
• CVE-2026-78667
• CVE-2026-78669
• CVE-2026-78677
• CVE-2026-84445
• CVE-2026-87819
• CVE-2026-89407
• CVE-2026-89425
• CVE-2026-94440
• CVE-2026-96640
• CVE-2026-96643
• CVE-2026-96778
• CVE-2026-97031
• CVE-2026-97687
• CVE-2026-97689
• CVE-2026-110856
• CVE-2026-110857
• CVE-2026-110858
• CVE-2026-110859
• CVE-2026-111497
• CVE-2026-111943
• CVE-2026-112390
• CVE-2026-112391
• CVE-2026-112392
• CVE-2026-112393
• CVE-2026-112397
• CVE-2026-112398
• CVE-2026-112399
• CVE-2026-112400
• CVE-2026-112402
• CVE-2026-112403
• CVE-2026-112404
• CVE-2026-112405
• CVE-2026-112406
• CVE-2026-112892
• CVE-2026-112893
• CVE-2026-112894
• CVE-2026-112895
• CVE-2026-112896
• CVE-2026-112897
• CVE-2026-114145

References

• https://access.redhat.com/security/updates/classification/#critical