CVE-2025-32052: Libsoup: heap buffer overflow in sniff_unknown()
A flaw was found in libsoup. A vulnerability in the sniffunknown() function may lead to heap buffer over-read.
Other sources
libsoup prior to version 3.6.1 is vulnerable to a heap buffer over-read in the content sniffer's sniffunknown() function. libsoup clients may read out of bounds in response to a crafted HTTP response sent by an HTTP server.
— Red Hat
Libsoup: heap buffer overflow in sniffunknown()
— 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 2.74.3-10 - Upgrade
Upgrade
debian/libsoup3to a version that resolves this vulnerability.Fixed in 3.6.5-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 3.0.4-5 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 3.4.4-5 - Upgrade
Upgrade
libsoupto a version that resolves this vulnerability.Fixed in 3.6.1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-32052?
CVE-2025-32052 has a moderate severity rating due to potential heap buffer over-read vulnerabilities.
How do I fix CVE-2025-32052?
To fix CVE-2025-32052, upgrade libsoup to version 3.6.1 or later.
What software is affected by CVE-2025-32052?
CVE-2025-32052 affects libsoup versions prior to 3.6.1.
What is the impact of CVE-2025-32052 on applications?
CVE-2025-32052 allows for heap buffer over-reads, which may lead to data leaks or application crashes.
Is CVE-2025-32052 exploitable remotely?
Yes, CVE-2025-32052 can potentially be exploited remotely through vulnerable libsoup clients.