LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
総合評価: CVE-2019-15681 は中リスク（55.5/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 3.35%、87 パーセンタイル） 推奨対応: 影響資産を整理し、修補計画に組み込んでください。
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 | 9.37% | 3.35% | -6.03% |
| 2 | 2026-05-28 | 6.19% | 9.37% | +3.18% |
| 3 | 2025-12-28 | — | 6.19% | — |
EPSS の全履歴 （全 26 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 |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2019-15681: 1 source package rows (libvncserver); 9 state rows across 9 repos (3.10-main, 3.11-main, 3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 9, open 0. | https://security.alpinelinux.org/vuln/CVE-2019-15681 |
debian
|
low | CVE-2019-15681 low priority: Debian including 3 source packages (libvncserver, tightvnc, vino), 12 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 12. | https://security-tracker.debian.org/tracker/CVE-2019-15681 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2019-15681 |
suse
|
medium | CVE-2019-15681 severity moderate: SUSE including 37 source package names (LibVNCServer-0.9.1-160.14.1, LibVNCServer-devel-0.9.10-4.14.1, …), 118 product×package rows across 57 product lines (HPE Helion OpenStack 8, SUSE Enterprise Storage 5, … (57 product lines)): Fixed 116, Known Not Affected 2. | https://www.suse.com/security/cve/CVE-2019-15681/ |
ubuntu
|
low | CVE-2019-15681 low priority: Ubuntu including 7 source packages (italc, krfb, …), 124 status rows across 18 suites (bionic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 41, needs-triage 22, not-affected 21, released 21, DNE 19. | https://ubuntu.com/security/CVE-2019-15681 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| libvnc_project | libvncserver | < 0.9.12 | cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*: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 | 18.10 | cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| siemens | simatic_itc1500_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itc1500_pro_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itc1900_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itc1900_pro_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itc2200_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:* |
| siemens | simatic_itc2200_pro_firmware | >= 3.0.0.0, < 3.2.1.0 | cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:* |