NULL Pointer Dereference Affecting libsoup package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published26 May 2025
- disclosed16 May 2025
- creditUnknown
Introduced: 16 May 2025
NewCVE-2025-4476 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference via the WWW-Authenticate header. An attacker can cause the application to crash by sending a specially crafted 401 Unauthorized HTTP response.
Workaround
This vulnerability can be mitigated by avoiding connections from client applications that rely on the libsoup library to untrusted HTTP servers until the systems are updated.