Vulnerability · Published Apr 14, 2025 · Assigned by redhat
CVE-2025-32908Libsoup: denial of service on libsoup through http/2 server
High 7.5
In plain English
A high-severity security flaw in libsoup. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 50.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A flaw was found in libsoup. The HTTP/2 server in libsoup may not fully validate the values of pseudo-headers :scheme, :authority, and :path, which may allow a user to cause a denial of service (DoS).
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:10 | libsoup3 | 3.6.5-3.el10_0 | ALSA-2025:7505 |
| AlmaLinux:10 | libsoup3-devel | 3.6.5-3.el10_0 | ALSA-2025:7505 |
| AlmaLinux:10 | libsoup3-doc | 3.6.5-3.el10_0 | ALSA-2025:7505 |
| Debian:12 | libsoup3 | no fix listed | DEBIAN-CVE-2025-32908 |
| Debian:13 | libsoup3 | 3.6.5-2 | DEBIAN-CVE-2025-32908 |
| Ubuntu:22.04:LTS | libsoup2.4 | 2.74.2-3ubuntu0.5 | USN-7543-1 |
| Ubuntu:24.04:LTS | libsoup2.4 | 2.74.3-6ubuntu1.5 | USN-7543-1 |
| Ubuntu:24.04:LTS | libsoup3 | 3.4.4-5ubuntu0.4 | USN-7543-1 |
| Ubuntu:24.04:LTS | libsoup3 | 3.4.4-5ubuntu0.4 | UBUNTU-CVE-2025-32908 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| libsoup | 0 – before 3.6.5 | |
| Red Hat | Red Hat Enterprise Linux 10 | see references |
| Red Hat | Red Hat Enterprise Linux 6 | see references |
| Red Hat | Red Hat Enterprise Linux 7 | see references |
| Red Hat | Red Hat Enterprise Linux 8 | see references |
| Red Hat | Red Hat Enterprise Linux 9 | see references |
Weakness: CWE-115 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- RHSA-2025:7505 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-32908 vdb-entry, x_refsource_REDHAT
- RHBZ#2359343 issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/429
- https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/451