CVE-2025-32908: libsoup · Misinterpretation of Input
Affects libsoupSource GCVE Database
Not known to be exploited · CVSS 7.5 High.
Data as of 5 Nov 2026, 00:01 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 7.5 |
|---|
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Apr 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| libsoup | Affected
| Fixed in– |
AI-suggested
A security update is available from Red Hat addressing this vulnerability in libsoup3. Users of Red Hat Enterprise Linux 10 should apply the update as per the Red Hat advisory RHSA-2025:7505. No additional mitigation steps are required beyond applying the official patch.
Description
A denial of service (DoS) vulnerability exists in the HTTP/2 server component of libsoup due to improper validation of the pseudo-header fields :scheme, :authority, and :path. This flaw can be exploited to cause a crash or service disruption. The issue is tracked as CVE-2025-32908 and has a CVSS score of 7.5 (high severity). Red Hat has issued an important security update addressing this vulnerability in libsoup3 for Red Hat Enterprise Linux 10.
References
- access.redhat.com/errata/RHSA-2025:7505 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-32908 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2359343 (opens in a new tab)
- gitlab.gnome.org/GNOME/libsoup/-/issues/429 (opens in a new tab)
- gitlab.gnome.org/GNOME/libsoup/-/merge_requests/451 (opens in a new tab)