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Fencer Vulns
critical 9.0

CVE-2025-32911 json

Libsoup: double free on soup_message_headers_get_content_disposition() through "soup-message-headers.c" via "params" ghashtable value

published 2025-04-15 18 mo ago modified 2026-11-04 4 d ago also EUVD-2025-10981

cvss
9.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

A use-after-free type vulnerability was found in libsoup, in the soup_message_headers_get_content_disposition() function. This flaw allows a malicious HTTP client to cause memory corruption in the libsoup server.

Patch / fix

  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:2.62.2-9.el7_9
  • Red Hat Red Hat Enterprise Linux 8 0:2.8-3.el8_10.1, 0:2.62.3-8.el8_10, 0:8.10-1
  • Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support 0:2.62.3-1.el8_2.4
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support 0:2.62.3-2.el8_4.4
  • Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service 0:2.62.3-2.el8_4.4
  • Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions 0:2.62.3-2.el8_4.4
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support 0:2.62.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service 0:2.62.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions 0:2.62.3-2.el8_6.4
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support 0:2.62.3-3.el8_8.4
  • Red Hat Red Hat Enterprise Linux 9 0:2.72.0-10.el9_6.1
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions 0:2.72.0-8.el9_0.4
  • Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support 0:2.72.0-8.el9_2.4
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support 0:2.72.0-8.el9_4.4
  • libsoup3 Debian 12 3.2.3-0+deb12u1
  • libsoup3 Debian 13 3.6.4-1
  • libsoup2.4 Debian 13 2.74.3-10.1

debian advisories DEBIAN-CVE-2025-32911

  • libsoup3 Ubuntu 24.04 LTS 3.4.4-5ubuntu0.3
  • libsoup2.4 Ubuntu 20.04 LTS 2.70.0-1ubuntu0.3
  • libsoup2.4 Ubuntu 22.04 LTS 2.74.2-3ubuntu0.3
  • libsoup2.4 Ubuntu 24.04 LTS 2.74.3-6ubuntu1.3
  • libsoup3 Ubuntu Pro 22.04 LTS 3.0.7-0ubuntu1+esm3
  • libsoup2.4 Ubuntu Pro 16.04 LTS 2.52.2-1ubuntu0.3+esm1
  • libsoup2.4 Ubuntu Pro 18.04 LTS 2.62.1-1ubuntu0.4+esm2

ubuntu advisories UBUNTU-CVE-2025-32911

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mingw-freetype RHEL 8 2.8-3.el8_10.1
  • spice-client-win RHEL 8 8.10-1.el8_10
  • mingw32-freetype RHEL 8 2.8-3.el8_10.1
  • mingw64-freetype RHEL 8 2.8-3.el8_10.1
  • spice-client-win-x64 RHEL 8 8.10-1.el8_10
  • spice-client-win-x86 RHEL 8 8.10-1.el8_10
  • libsoup RHEL 9 2.72.0-10.el9_6.1
  • libsoup RHEL 8 2.62.3-8.el8_10

red hat advisories RHSA-2025:21657RHSA-2025:9179RHSA-2025:8292RHSA-2025:7436RHSA-2025:4624RHSA-2025:4609

  • libsoup SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +7 more 3.0.4-150400.3.21.1
  • libsoup Linux Micro 6.1 3.4.4-slfo.1.1_3.1
  • libsoup2 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +10 more 2.74.2-150400.3.9.1
  • libsoup2 SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.74.3-150600.4.9.1
  • libsoup SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Micro 5.2 +2 more 2.68.4-150200.4.9.1
  • libsoup SLE Module for Basesystem 15 SP7, SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 3.4.4-150600.3.7.1
  • libsoup Linux Micro 6.0 3.4.2-6.1
  • libsoup SLES LTSS Extended Security 12 SP5, SLES 12 SP5-LTSS 2.62.2-5.15.1

suse advisories SUSE-SU-2025:4514-1SUSE-SU-2025:20446-1SUSE-SU-2025:01864-1SUSE-SU-2025:01802-1SUSE-SU-2025:01801-1SUSE-SU-2025:01794-1

  • mingw32-freetype AlmaLinux 8 2.8-3.el8_10.1
  • mingw64-freetype AlmaLinux 8 2.8-3.el8_10.1
  • libsoup AlmaLinux 9 2.72.0-10.el9_6.1
  • libsoup AlmaLinux 8 2.62.3-8.el8_10

almalinux advisories ALSA-2025:8292ALSA-2025:7436ALSA-2025:4560

  • mingw-freetype Rocky Linux 8 2.8-3.el8_10.1
  • spice-client-win Rocky Linux 8 8.10-1.el8_10
  • libsoup Rocky Linux 8 2.62.3-8.el8_10

rocky linux advisories RLSA-2025:8292RLSA-2025:4560

  • libsoup Azure Linux 3.0 3.4.4-3
  • libsoup CBL-Mariner 2.0 3.0.4-3

azure linux advisories AZL-60489AZL-60547

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-32911 updated cvss 9.0

libsoup: Double free on soup_message_headers_get_content_disposition() through "soup-message-headers.c" via "params" GHashTable value

  • Red Hat Enterprise Linux 6 libsoup
    affected: workaround, no fix planned “Currently, no mitigation is available for this vulnerability.”
  • Red Hat Enterprise Linux AppStream (v. 8) spice-client-win 8.10-1.el8_10, spice-client-win-x64 8.10-1.el8_10, spice-client-win-x86 8.10-1.el8_10
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4560
  • Red Hat Enterprise Linux AppStream (v. 9) libsoup 2.72.0-10.el9_6.1
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:7436
  • Red Hat Enterprise Linux AppStream AUS (v. 8.2) libsoup-devel 2.62.3-1.el8_2.4, libsoup-debuginfo 2.62.3-1.el8_2.4, libsoup-debugsource 2.62.3-1.el8_2.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4538
  • Red Hat Enterprise Linux AppStream AUS (v.8.4) libsoup-devel 2.62.3-2.el8_4.4, libsoup-debuginfo 2.62.3-2.el8_4.4, libsoup-debugsource 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux AppStream AUS (v.8.6) libsoup-devel 2.62.3-2.el8_6.4, libsoup-debuginfo 2.62.3-2.el8_6.4, libsoup-debugsource 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
  • Red Hat Enterprise Linux AppStream E4S (v.8.4) libsoup-devel 2.62.3-2.el8_4.4, libsoup-debuginfo 2.62.3-2.el8_4.4, libsoup-debugsource 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux AppStream E4S (v.8.6) libsoup-devel 2.62.3-2.el8_6.4, libsoup-debuginfo 2.62.3-2.el8_6.4, libsoup-debugsource 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
show 18 more
  • Red Hat Enterprise Linux AppStream E4S (v.9.0) libsoup 2.72.0-8.el9_0.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4439
  • Red Hat Enterprise Linux AppStream EUS (v.8.8) libsoup-devel 2.62.3-3.el8_8.4, libsoup-debuginfo 2.62.3-3.el8_8.4, libsoup-debugsource 2.62.3-3.el8_8.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4568
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) libsoup 2.72.0-8.el9_2.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4508
  • Red Hat Enterprise Linux AppStream EUS (v.9.4) libsoup 2.72.0-8.el9_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4440
  • Red Hat Enterprise Linux AppStream TUS (v.8.4) libsoup-devel 2.62.3-2.el8_4.4, libsoup-debuginfo 2.62.3-2.el8_4.4, libsoup-debugsource 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux AppStream TUS (v.8.6) libsoup-devel 2.62.3-2.el8_6.4, libsoup-debuginfo 2.62.3-2.el8_6.4, libsoup-debugsource 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
  • Red Hat Enterprise Linux BaseOS (v. 8) libsoup 2.62.3-8.el8_10
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4560
  • Red Hat Enterprise Linux BaseOS AUS (v. 8.2) libsoup 2.62.3-1.el8_2.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4538
  • Red Hat Enterprise Linux BaseOS AUS (v.8.4) libsoup 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux BaseOS AUS (v.8.6) libsoup 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
  • Red Hat Enterprise Linux BaseOS E4S (v.8.4) libsoup 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux BaseOS E4S (v.8.6) libsoup 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
  • Red Hat Enterprise Linux BaseOS EUS (v.8.8) libsoup 2.62.3-3.el8_8.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4568
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4) libsoup 2.62.3-2.el8_4.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4609
  • Red Hat Enterprise Linux BaseOS TUS (v.8.6) libsoup 2.62.3-2.el8_6.4
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:4624
  • Red Hat Enterprise Linux CRB (v. 8) mingw-freetype 2.8-3.el8_10.1, mingw32-freetype 2.8-3.el8_10.1, mingw64-freetype 2.8-3.el8_10.1
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:8292
  • Red Hat Enterprise Linux Server (v. 7 ELS) libsoup 2.62.2-9.el7_9
    fixed: vendor fix “Currently, no mitigation is available for this vulnerability.” RHSA-2025:21657
  • Red Hat Enterprise Linux 10 libsoup3
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

  • Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
  • Red Hat Red Hat Enterprise Linux 8
  • Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
  • Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  • Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
  • Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 9
  • Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
  • Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
  • Red Hat Red Hat Enterprise Linux 10
  • Red Hat Red Hat Enterprise Linux 6

Classification

Weakness
  • CWE-590 Free of Memory not on the Heap

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.