Out-of-bounds Read in Red Hat Enterprise Linux 10
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 b…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
Frequently asked questions
- What is CVE-2026-12548?
- CVE-2026-12548 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 4.2/10. Published 2026-07-21.
- How severe is CVE-2026-12548?
- Medium severity. CVSS v3 base score is 4.2 out of 10.