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CVE-2026-12549

unknown

Description

The fix for CVE-2026-2443 was regressed by a subsequent rework commit that replaced specific overflow checks with a general signed comparison. When a client sends a Range request with a suffix length exceeding the content size, the resulting negative start value is not properly clamped, leading to malformed HTTP 206 responses and log flooding.

CVSS 4.8EPSS 0.411%Risk 0.5
View source
Published
2026-06-22 16:16:34
Affected versions
unknown
Type
Other
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Operating systems
Linux