CVE-2025-32053 Libsoup: heap buffer overflows in sniff_feed_or_html() and skip_insignificant_space()
Heap buffer over-reads in libsoup's feed sniffing functions can cause crashes or leak memory contents, affecting applications using this library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-32053?
CVE-2025-32053 is a medium-severity memory corruption vulnerability in Red Hat Enterprise Linux 10, published on 3 Apr 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw was found in libsoup. A vulnerability in sniff_feed_or_html() and skip_insignificant_space() functions may lead to a heap buffer over-read.
Weakness: CWE-126
Which versions are affected by CVE-2025-32053?
How do I fix CVE-2025-32053?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-32053 being exploited?
There is no known exploitation of CVE-2025-32053 in the wild and no public exploit code.
Sources
Also known as AZL-59533, AZL-59555, DEBIAN-CVE-2025-32053, GHSA-54qp-w9cp-g8g3, UBUNTU-CVE-2025-32053.