Out-of-Bounds Memory Read Vulnerability in libsoup Used by GNOME
CVE-2025-11021
7.5HIGH
Key Information:
- Status
- Vendor
- CVE Published:
- 26 September 2025
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2025-11021?
A flaw exists in the cookie date handling logic within the libsoup HTTP library, which is utilized by various applications, including those in the GNOME ecosystem. This flaw arises when the library processes cookies with specially crafted expiration dates, resulting in an out-of-bounds memory read. Consequently, this could unintentionally disclose memory contents, posing a risk that sensitive information from processes utilizing libsoup may be exposed.
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.