CVE-2025-2784: Gnome Libsoup

Medium severity, CVSS 6.5. EPSS: 0.9% chance of exploitation in the next 30 days.

A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.

Affected products

  • Gnome Libsoup: before 3.6.5 (fixed in 3.6.5)
  • Red Hat Codeready Linux Builder: version 10.0 only
  • Red Hat Codeready Linux Builder For ARM64: version 10.0_aarch64 only
  • Red Hat Codeready Linux Builder For ARM64 Eus: version 10.0_aarch64 only
  • Red Hat Codeready Linux Builder For IBM Z Systems: version 10.0_s390x only
  • Red Hat Codeready Linux Builder For IBM Z Systems Eus: version 10.0_s390x only
  • Red Hat Codeready Linux Builder For Power Little Endian: version 10.0_ppc64le only
  • Red Hat Codeready Linux Builder For Power Little Endian Eus: version 10.0_ppc64le only
  • Red Hat Enterprise Linux: version 8.0 only; version 9.0 only; version 10.0 only
  • Red Hat Enterprise Linux Eus: version 8.8 only; version 9.2 only; version 9.4 only; version 9.6 only; version 10.0 only
  • Red Hat Enterprise Linux For Arm 64: version 8.0_aarch64 only; version 9.0_aarch64 only; version 10.0_aarch64 only
  • Red Hat Enterprise Linux For Arm 64 Eus: version 8.8_aarch64 only; version 9.2_aarch64 only; version 9.4_aarch64 only; version 9.6_aarch64 only; version 10.0_aarch64 only
  • Red Hat Enterprise Linux For IBM Z Systems: version 8.0_s390x only; version 9.0_s390x only; version 10.0_s390x only
  • Red Hat Enterprise Linux For IBM Z Systems Eus: version 8.8_s390x only; version 9.2_s390x only; version 9.4_s390x only; version 9.6_s390x only; version 10.0_s390x only
  • Red Hat Enterprise Linux For Power Little Endian: version 8.0_ppc64le only; version 9.0_ppc64le only; version 10.0_ppc64le only
  • Red Hat Enterprise Linux For Power Little Endian Eus: version 8.8_ppc64le only; version 9.2_ppc64le only; version 9.4_ppc64le only; version 9.6_ppc64le only; version 10.0_ppc64le only
  • Red Hat Enterprise Linux Server: version 7.0 only
  • Red Hat Enterprise Linux Server Aus: version 8.2 only; version 8.4 only; version 8.6 only; version 9.2 only; version 9.4 only; version 9.6 only
  • Red Hat Enterprise Linux Server For Power Little Endian Update Services For SAP Solutions: version 8.6_ppc64le only; version 9.0_ppc64le only; version 9.6_ppc64le only
  • Red Hat Enterprise Linux Server Tus: version 8.6 only; version 8.8 only
  • Red Hat Enterprise Linux Update Services For SAP Solutions: version 8.8 only; version 9.0 only; version 9.2 only; version 9.4 only; version 9.6 only

Published 2025-04-03. Last modified 2026-06-30.