Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.
結論預警: CVE-2015-7511 綜合評估為低風險（20.4/100）：CVSS 技術影響為低級，利用機率偏低（EPSS 0.43%） 強制指令: 持續追蹤利用情報與 EPSS 變化，並適時複評優先級。
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 | 0.07% | 0.43% | +0.36% |
| 2 | 2026-05-13 | 0.05% | 0.07% | +0.02% |
| 3 | 2026-02-20 | — | 0.05% | — |
完整 EPSS 歷史 （共 13 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 |
|---|---|---|---|---|---|---|
| 2.0 | 3.0 | LOW |
|
0.5 | 1.4 | [email protected] |
| 1.9 | 2.0 | LOW |
|
3.4 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-7511 not yet assigned priority: Debian including 1 source packages (libgcrypt20), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-7511 |
gentoo
|
normal | CVE-2015-7511: 1 GLSA(s) (201610-04), 1 atom(s) (dev-libs/libgcrypt); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-7511 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2015-7511 |
suse
|
medium | CVE-2015-7511 severity moderate: SUSE including 322 source package names (0.9.1:libgcrypt20-1.6.1-16.27.1, 1.0.0:libgcrypt20-1.6.1-16.27.1, …), 398 product×package rows across 84 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (84 product lines)): Fixed 241, Known Affected 157. | https://www.suse.com/security/cve/CVE-2015-7511/ |
ubuntu
|
medium | CVE-2015-7511 medium priority: Ubuntu including 2 source packages (libgcrypt11, libgcrypt20), 22 status rows across 11 suites (artful, bionic, cosmic, disco, precise, trusty, upstream, wily, xenial, yakkety, zesty): DNE 10, not-affected 7, released 4, needs-triage 1. | https://ubuntu.com/security/CVE-2015-7511 |
| 廠商 | 產品 | 版本 | 原始 CPE |
|---|---|---|---|
| gnupg | libgcrypt | <= 1.6.4 | cpe:2.3:a:gnupg:libgcrypt:*:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| 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:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 15.10 | cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:* |