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Vulnerability · Published Apr 3, 2025 · Assigned by redhat

CVE-2025-2784Libsoup: heap buffer over-read in `skip_insignificant_space` when sniffing content

High 7.0

In plain English

A high-severity out-of-bounds read in libsoup. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)0.9%top 40.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8libsoup2.62.3-9.el8_10ALSA-2025:8132
AlmaLinux:9libsoup2.72.0-10.el9_6.2ALSA-2025:8126
AlmaLinux:8libsoup-devel2.62.3-9.el8_10ALSA-2025:8132
AlmaLinux:9libsoup-devel2.72.0-10.el9_6.2ALSA-2025:8126
AlmaLinux:10libsoup33.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-devel3.6.5-3.el10_0ALSA-2025:7505
AlmaLinux:10libsoup3-doc3.6.5-3.el10_0ALSA-2025:7505
Debian:12libsoup2.4no fix listedDEBIAN-CVE-2025-2784
Debian:13libsoup2.42.74.3-10DEBIAN-CVE-2025-2784
Debian:12libsoup33.2.3-0+deb12u1DEBIAN-CVE-2025-2784
Debian:13libsoup33.6.5-1DEBIAN-CVE-2025-2784
Rocky Linux:8libsoup0:2.62.3-9.el8_10RLSA-2025:8132
Rocky Linux:9libsoup0:2.72.0-10.el9_6.2RLSA-2025:8126
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.2USN-7432-1
Ubuntu:22.04:LTSlibsoup2.42.74.2-3ubuntu0.2UBUNTU-CVE-2025-2784
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.2USN-7432-1
Ubuntu:24.04:LTSlibsoup2.42.74.3-6ubuntu1.2UBUNTU-CVE-2025-2784
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.2UBUNTU-CVE-2025-2784
Ubuntu:24.04:LTSlibsoup33.4.4-5ubuntu0.2USN-7432-1

Affected products (as reported)

VendorProductVersions
libsoup 0 – before 3.6.5
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support see references
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support see references
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service see references
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 6 see references

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H

References