CVE-2025-32051: Libsoup: segmentation fault when parsing malformed data uri

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-03 · updated 2026-06-30
Weakness: CWE-754

Description

A flaw was found in libsoup. The libsoup soup_uri_decode_data_uri() function may crash when processing malformed data URI. This flaw allows an attacker to cause a denial of service (DoS).

References

https://access.redhat.com/security/cve/CVE-2025-32051
https://bugzilla.redhat.com/show_bug.cgi?id=2357068
https://gitlab.gnome.org/GNOME/libsoup/-/issues/401

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