CVE-2025-32906: Libsoup: out of bounds reads in soup_headers_parse_request()
First published: Mon Apr 14 2025(Updated: )
A flaw was found in libsoup, where the soup_headers_parse_request() function may be vulnerable to an out-of-bound read. This flaw allows a malicious user to use a specially crafted HTTP request to crash the HTTP server.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libsoup | <3.6.5 | |
| debian/libsoup2.4 | <=2.72.0-2<=2.74.3-1+deb12u1<=2.74.3-10 | 2.72.0-2+deb11u2 2.74.3-10.1 |
| debian/libsoup3 | <=3.2.2-2 | 3.6.5-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=2359341
- https://access.redhat.com/errata/RHSA-2025:4439
- https://access.redhat.com/security/cve/CVE-2025-32906
- https://access.redhat.com/errata/RHSA-2025:4440
- https://access.redhat.com/errata/RHSA-2025:4508
- https://access.redhat.com/errata/RHSA-2025:4538
- https://access.redhat.com/errata/RHSA-2025:4560
- https://access.redhat.com/errata/RHSA-2025:4568
- https://access.redhat.com/errata/RHSA-2025:4609
- https://access.redhat.com/errata/RHSA-2025:4624
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-32906
- https://nvd.nist.gov/vuln/detail/CVE-2025-32906
- https://launchpad.net/bugs/cve/CVE-2025-32906
- https://security-tracker.debian.org/tracker/CVE-2025-32906
- https://ubuntu.com/security/CVE-2025-32906
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/404
- https://gitlab.gnome.org/GNOME/libsoup/-/issues/407
- https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/440
- https://gitlab.gnome.org/GNOME/libsoup/-/commit/af5b9a4a3945c52b940d5ac181ef51bb12011f1f
Frequently Asked Questions
What is the severity of CVE-2025-32906?
CVE-2025-32906 has a medium severity level due to its potential to cause HTTP server crashes.
How do I fix CVE-2025-32906?
To fix CVE-2025-32906, upgrade libsoup to version 3.6.5 or later.
What versions of libsoup are affected by CVE-2025-32906?
libsoup versions prior to 3.6.5 are affected by CVE-2025-32906.
What can exploit CVE-2025-32906?
A specially crafted HTTP request can exploit CVE-2025-32906 to trigger an out-of-bounds read.
What is the impact of CVE-2025-32906 on my server?
The impact of CVE-2025-32906 on your server could lead to crashes and downtime.
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