CVE-2026-12549
| Summary |
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.
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| Publication Date |
June 23, 2026, 1:16 a.m. |
| Registration Date |
June 27, 2026, 4:10 a.m. |
| Last Update |
June 24, 2026, 12:16 a.m. |
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CVSS3.1 : MEDIUM
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| スコア |
4.8
|
| Vector |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
高 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
低 |
Related information, measures and tools
Common Vulnerabilities List