CVE-2026-12548

Description

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.

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Produits concernés

• Red Hat Enterprise Linux 10
• Gnome libsoup
• Redhat enterprise linux

Scores CVSS

Faiblesses (CWE)

• CWE-125

Références

• https://access.redhat.com/security/cve/CVE-2026-12548 Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2489996 ExploitIssue TrackingVendor Advisory
• https://gitlab.gnome.org/GNOME/libsoup/-/work_items/512 ExploitMitigationVendor Advisory
• https://gitlab.gnome.org/GNOME/libsoup/-/work_items/512 ExploitMitigationVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories