Off-by-one vulnerability in the fgetwln function in libbsd before 0.8.2 allows attackers to have unspecified impact via unknown vectors, which trigger a heap-based buffer overflow.
総合評価: CVE-2016-2090 は高リスク（69.2/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 3.22%、87 パーセンタイル） 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。
EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置（高いほど相対的に深刻）を示します。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.49% | 3.22% | -0.26% |
| 2 | 2026-05-28 | 1.94% | 3.49% | +1.54% |
| 3 | 2026-05-13 | — | 1.94% | — |
EPSS の全履歴 （全 15 件）
この CVE の CVSS 指標。
| ベーススコア | バージョン | 深刻度 | ベクトル | 悪用しやすさ | 影響 | スコアの出典 |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-2090 not yet assigned priority: Debian including 1 source packages (libbsd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-2090 |
gentoo
|
normal | CVE-2016-2090: 1 GLSA(s) (201607-13), 1 atom(s) (dev-libs/libbsd); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-2090 |
ubuntu
|
low | CVE-2016-2090 low priority: Ubuntu including 1 source packages (libbsd), 13 status rows across 13 suites (artful, bionic, cosmic, disco, eoan, precise, trusty, upstream, vivid, wily, xenial, yakkety, zesty): not-affected 9, ignored 2, released 2. | https://ubuntu.com/security/CVE-2016-2090 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| fedoraproject | fedora | 24 | cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* |
| fedoraproject | fedora | 25 | cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:* |
| freedesktop | libbsd | < 0.8.2 | cpe:2.3:a:freedesktop:libbsd:*:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 19.04 | cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.openwall.com/lists/oss-security/2016/01/28/5 | Mailing List Third Party Advisory |
| https://blog.fuzzing-project.org/36-Heap-buffer-overflow-in-fgetwln-function-of-libbsd.html | Third Party Advisory |
| https://bugs.freedesktop.org/show_bug.cgi?id=93881 | Issue Tracking Third Party Advisory |
| https://cgit.freedesktop.org/libbsd/commit/?id=c8f0723d2b4520bdd6b9eb7c3e7976de726d7ff7 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/12/msg00036.html | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KJE5SPSX7HEKLZ34LUTZLXWPEL2K353/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DIQKQ42Z7553D46QY3IMIQKS52QTNIHY/ | |
| https://security.gentoo.org/glsa/201607-13 | Third Party Advisory |
| https://usn.ubuntu.com/4243-1/ | Third Party Advisory |