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    CVE-2025-2784

    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.

    Published:Mar 25, 2025
    Last Modified:Jun 30, 2026
    EPS:Apr 3, 2025
    EPSS Score:0.0067
    CVSS Score:7

    Affected Products

    Vendor
    Gnome
    Product
    Libsoup
    Vendor
    Redhat
    Product
    Codeready Linux Builder
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Arm64
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Arm64 Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Ibm Z Systems
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Power Little Endian
    Vendor
    Redhat
    Product
    Codeready Linux Builder For Power Little Endian Eus
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Linux Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Arm 64
    Vendor
    Redhat
    Product
    Enterprise Linux For Arm 64 Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Ibm Z Systems
    Vendor
    Redhat
    Product
    Enterprise Linux For Ibm Z Systems Eus
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Little Endian
    Vendor
    Redhat
    Product
    Enterprise Linux For Power Little Endian Eus
    Vendor
    Redhat
    Product
    Enterprise Linux Server
    Vendor
    Redhat
    Product
    Enterprise Linux Server Aus
    Vendor
    Redhat
    Product
    Enterprise Linux Server For Power Little Endian Update Services For Sap Solutions
    Vendor
    Redhat
    Product
    Enterprise Linux Server Tus
    Vendor
    Redhat
    Product
    Enterprise Linux Update Services For Sap Solutions
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Els
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus

    Exploits

    https://gitlab.gnome.org/GNOME/libsoup/-/issues/422https://gitlab.gnome.org/GNOME/libsoup/-/issues/422

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2026-85534 (CVSS 5.9) — A flaw was found in libsoup. When a client sends an HTTP/2 request body from a non-pollable input stream, the …
    CVE-2026-66337 (CVSS 6.5) — A flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until() functi…
    CVE-2026-66338 (CVSS 5.4) — A flaw was found in libsoup. The chunked transfer encoding parser uses a permissive parsing function for chunk…
    CVE-2026-66339 (CVSS 6.5) — A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly …
    CVE-2026-12548 (CVSS 4.2) — A heap out-of-bounds read flaw was found in libsoup. When parsing multipart HTTP messages, an integer type mis…
    CVE-2026-6324 (CVSS 4.8) — A flaw was found in libsoup. A remote attacker could exploit an unsigned to signed conversion error in the `so…
    CVE-2026-5119 (CVSS 5.9) — A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive sessio…
    CVE-2026-4271 (CVSS 5.3) — A flaw was found in libsoup, a library for handling HTTP requests. This vulnerability, known as a Use-After-Fr…
    CVE-2026-3633 (CVSS 3.9) — A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the `soup_message_new()…
    CVE-2026-3632 (CVSS 3.9) — A flaw was found in libsoup, a library used by applications to send network requests. This vulnerability occur…

    References

    https://access.redhat.com/errata/RHSA-2025:21657
    https://access.redhat.com/errata/RHSA-2025:7505
    https://access.redhat.com/errata/RHSA-2025:8126
    https://access.redhat.com/errata/RHSA-2025:8132
    https://access.redhat.com/errata/RHSA-2025:8139
    https://access.redhat.com/errata/RHSA-2025:8140
    https://access.redhat.com/errata/RHSA-2025:8252
    https://access.redhat.com/errata/RHSA-2025:8480
    https://access.redhat.com/errata/RHSA-2025:8481
    https://access.redhat.com/errata/RHSA-2025:8482
    https://access.redhat.com/errata/RHSA-2025:8663
    https://access.redhat.com/errata/RHSA-2025:9179
    https://access.redhat.com/security/cve/CVE-2025-2784
    https://bugzilla.redhat.com/show_bug.cgi?id=2354669
    https://gitlab.gnome.org/GNOME/libsoup/-/issues/422
    https://lists.debian.org/debian-lts-announce/2025/04/msg00036.html
    https://gitlab.gnome.org/GNOME/libsoup/-/issues/422

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High