X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.
結論預警: CVE-2014-8091 綜合評估為中等風險（47.9/100）：CVSS 技術影響為中級，利用機率（EPSS 4.19%） 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 | 4.84% | 4.19% | -0.65% |
| 2 | 2026-03-08 | 6.31% | 4.84% | -1.47% |
| 3 | 2025-03-30 | — | 6.31% | — |
完整 EPSS 歷史 （共 10 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 |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-8091 not yet assigned priority: Debian including 1 source packages (xorg-server), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-8091 |
gentoo
|
high | CVE-2014-8091: 1 GLSA(s) (201504-06), 1 atom(s) (x11-base/xorg-server); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2014-8091 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2014-8091 |
ubuntu
|
medium | CVE-2014-8091 medium priority: Ubuntu including 6 source packages (nvidia-graphics-drivers-304, nvidia-graphics-drivers-304-updates, nvidia-graphics-drivers-331, nvidia-graphics-drivers-331-updates, xorg-server, xorg-server-lts-trusty), 30 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): released 21, DNE 7, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2014-8091 |
: <a href="http://cwe.mitre.org/data/definitions/476.html">CWE-476: NULL Pointer Dereference</a>