ber-decoder.c in Libksba before 1.3.3 uses an incorrect integer data type, which allows remote attackers to cause a denial of service (crash) via crafted BER data, which leads to a buffer overflow.
結論預警: CVE-2016-4354 綜合評估為中等風險（57.6/100）：CVSS 技術影響為高級，利用機率（EPSS 1.87%） 強制指令: 梳理受影響資產並納入修補計畫。
風險隨態勢動態變化；本站持續評估並同步更新本頁展示內容。
EPSS 日更估計相對被利用可能性；百分位表示該 CVE 在已評分漏洞中的相對排名（越高表示相對更嚴重）。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 1.07% | 1.87% | +0.79% |
| 2 | 2026-02-12 | 0.79% | 1.07% | +0.28% |
| 3 | 2025-06-19 | — | 0.79% | — |
完整 EPSS 歷史 （共 9 筆）
該 CVE 的 CVSS 指標。
| 底座分 | 版本 | 嚴重度 | 向量 | 可利用性 | 影響 | 分數來源 |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2016-4354 low priority: Debian including 1 source packages (libksba), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2016-4354 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-4354 |
suse
|
high | CVE-2016-4354 severity important: SUSE including 3 source package names (libksba, libksba-devel, libksba8), 20 product×package rows across 13 product lines (SUSE Linux Enterprise Desktop 11 SP4, SUSE Linux Enterprise Desktop 12, … (13 product lines)): Known Not Affected 20. | https://www.suse.com/security/cve/CVE-2016-4354/ |
ubuntu
|
medium | CVE-2016-4354 medium priority: Ubuntu including 1 source packages (libksba), 5 status rows across 5 suites (precise, trusty, upstream, wily, xenial): released 3, not-affected 2. | https://ubuntu.com/security/CVE-2016-4354 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| gnupg | libksba | <= 1.3.2 | cpe:2.3:a:gnupg:libksba:*:*:*:*:*:*:*:* |