CVE-2025-32906: Libsoup: out of bounds reads in soup_headers_parse_request()
A flaw was found in libsoup, where the soupheadersparserequest() 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.
Other sources
libsoup prior to 3.6.5 is vulnerable to out of bounds reads in soupheadersparserequest(). A maliciously-crafted HTTP request may crash the HTTP server.
— Red Hat
Libsoup: out of bounds reads in soupheadersparserequest()
— Microsoft
This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.
— Launchpad
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libsoup2.4to a version that resolves this vulnerability.Fixed in 2.72.0-2+deb11u2Fixed in 2.74.3-10.1 - Upgrade
Upgrade
debian/libsoup3to a version that resolves this vulnerability.Fixed in 3.6.5-1 - Upgrade
Upgrade
libsoupto a version that resolves this vulnerability.Fixed in 3.6.5
Event History
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.