An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.
総合評価: CVE-2018-11237 は中リスク（50/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 0.86%、54 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 | 0.80% | 0.86% | +0.06% |
| 2 | 2025-11-13 | 0.59% | 0.80% | +0.21% |
| 3 | 2025-10-05 | — | 0.59% | — |
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 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2018-11237 low priority: Debian including 1 source packages (glibc), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-11237 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-11237 |
suse
|
medium | CVE-2018-11237 severity moderate: SUSE including 530 source package names (0.1.0:glibc-2.26-13.3.1, 0.1.75:glibc-2.26-13.3.1, …), 831 product×package rows across 147 product lines (Container caasp/v4/389-ds, Container caasp/v4/busybox, … (147 product lines)): Fixed 582, Known Affected 157, Known Not Affected 92. | https://www.suse.com/security/cve/CVE-2018-11237/ |
ubuntu
|
medium | CVE-2018-11237 medium priority: Ubuntu including 2 source packages (eglibc, glibc), 18 status rows across 9 suites (artful, bionic, cosmic, disco, eoan, focal, trusty, upstream, xenial): DNE 8, not-affected 5, released 3, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-11237 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| gnu | glibc | <= 2.27 | cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* |
| redhat | virtualization_host | 4.0 | cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| oracle | communications_session_border_controller | 8.0.0 | cpe:2.3:a:oracle:communications_session_border_controller:8.0.0:*:*:*:*:*:*:* |
| oracle | communications_session_border_controller | 8.1.0 | cpe:2.3:a:oracle:communications_session_border_controller:8.1.0:*:*:*:*:*:*:* |
| oracle | communications_session_border_controller | 8.2.0 | cpe:2.3:a:oracle:communications_session_border_controller:8.2.0:*:*:*:*:*:*:* |
| oracle | enterprise_communications_broker | 3.0.0 | cpe:2.3:a:oracle:enterprise_communications_broker:3.0.0:*:*:*:*:*:*:* |
| oracle | enterprise_communications_broker | 3.1.0 | cpe:2.3:a:oracle:enterprise_communications_broker:3.1.0:*:*:*:*:*:*:* |
| netapp | data_ontap_edge | — | cpe:2.3:a:netapp:data_ontap_edge:-:*:*:*:*:*:*:* |
| netapp | element_software_management | — | cpe:2.3:a:netapp:element_software_management:-:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 16.04 | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 18.04 | cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 19.10 | cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.securityfocus.com/bid/104256 | Broken Link |
| https://access.redhat.com/errata/RHBA-2019:0327 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:3092 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20190329-0001/ | Broken Link |
| https://security.netapp.com/advisory/ntap-20190401-0001/ | Third Party Advisory |
| https://sourceware.org/bugzilla/show_bug.cgi?id=23196 | Issue Tracking Patch Third Party Advisory |
| https://usn.ubuntu.com/4416-1/ | Third Party Advisory |
| https://www.exploit-db.com/exploits/44750/ | Broken Link Third Party Advisory VDB Entry |
| https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html | Patch Third Party Advisory |