Vulnerability Details CVE-2026-12548
A heap out-of-bounds read flaw was found in libsoup. When parsing multipart HTTP messages, an integer type mismatch between the caller and soup_headers_parse() can cause the length parameter to be incorrectly truncated, leading to a heap buffer over-read. A remote attacker could use this flaw to crash an application using libsoup or potentially disclose heap memory contents.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 31.9%
CVSS Severity
CVSS v3 Score 4.2
References
Products affected by CVE-2026-12548
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cpe:2.3:a:gnome:libsoup:-
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cpe:2.3:o:redhat:enterprise_linux:10.0