Libsoup: heap buffer over-read in `skip_insignificant_space` when sniffing content (libsoup)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.88 % · percentile 59 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-125 — Out-of-bounds Read
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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H | redhat |
| CVSS 3.1 | HIGH 7.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2025-9569
- GCVE · GCVE-0-2025-2784
CERT-FR advisories
- CERTFR-2025-AVI-0938 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:gnome:libsoup:*:*:*:*:*:*:*:*< 3.6.5cpe:2.3:a:redhat:codeready_linux_builder:10.0:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:10.0_aarch64:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_arm64_eus:10.0_aarch64:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems:10.0_s390x:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_ibm_z_systems_eus:10.0_s390x:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:10.0_ppc64le:*:*:*:*:*:*:*cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian_eus:10.0_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:8.8:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:9.2:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:9.4:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:9.6:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64:8.0_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64:9.0_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64:10.0_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:8.8_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.2_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.4_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:9.6_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_arm_64_eus:10.0_aarch64:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:9.0_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:10.0_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.8_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.2_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.4_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:9.6_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:10.0_s390x:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:9.0_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:10.0_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.8_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.2_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.4_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:9.6_ppc64le:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:10.0_ppc64le:*:*:*:*:*:*:*- +17 more
Affected products
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |