Security readout for executives and security teams
Plain-English summary
CVE-2025-32911 is a critical memory-safety flaw in libsoup. A malicious HTTP client may trigger memory corruption in a libsoup-based server. The main business concern is exposed services running affected Red Hat or Debian-packaged libsoup versions, where successful exploitation could affect confidentiality, integrity, and availability.
Executive priority
Prioritize remediation in the next critical patch cycle, sooner for exposed services. The impact rating is severe, but current evidence in the bundle does not confirm exploitation in the wild.
Technical view
The issue is described as a use-after-free/double-free in soup_message_headers_get_content_disposition(), involving the params GHashTable value in soup-message-headers.c. CVSS 3.1 is 9.0: network attack vector, high complexity, no privileges, no user interaction, changed scope, and high CIA impact.
Likely exposure
Most likely exposure is Linux servers, containers, or applications using affected libsoup packages. The bundle lists affected RHEL 7 ELS, RHEL 8, RHEL 8 extended streams, RHEL 9, and RHEL 9 extended streams. RHEL 10 libsoup3 is listed as unaffected.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The vulnerability is remotely reachable in the described server context, but attack complexity is rated high. Treat exploitation claims as unconfirmed unless vendor or KEV evidence appears.
Researcher notes
Evidence is strongest for vendor-packaged exposure and the vulnerable function. The bundle does not include proof-of-concept status, exact fixed upstream commit, or full Debian affected-version matrix. Avoid extrapolating beyond listed products and advisories.
Mitigation direction
- Inventory systems and containers for affected libsoup packages listed by vendor advisories.
- Apply relevant Red Hat or Debian security updates where available.
- Prioritize internet-facing or partner-facing services using libsoup server functionality.
- If updates are unavailable, restrict untrusted client access and monitor vendor guidance.
- Confirm RHEL 10 libsoup3 systems are not misclassified as affected.
Validation and detection
- Check installed libsoup package names and versions against affected vendor entries.
- Map applications that embed or dynamically link libsoup on exposed services.
- Verify patched package versions after applying vendor updates.
- Review edge, WAF, and service logs for abnormal HTTP client behavior.
- Track Red Hat Bugzilla, GNOME issue, and Debian LTS notices for updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-590: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-32911 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H2.26redhatVulnerability scoring details
Base CVSS 3.1 score
9CriticalVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- RHSA-2025:21657CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4439CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4440CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4508CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4538CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4560CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4568CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4609CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:4624CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:7436CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:8292CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- RHSA-2025:9179CVE reference, redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2025-32911CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2359355CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/433CVE reference, redhat
- https://lists.debian.org/debian-lts-announce/2025/04/msg00036.htmlCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Free of Memory not on the Heap
Free of Memory not on the Heap represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.