stdlib/canonicalize.c in the GNU C Library (aka glibc or libc6) 2.27 and earlier, when processing very long pathname arguments to the realpath function, could encounter an integer overflow on 32-bit architectures, leading to a stack-based buffer overflow and, potentially, arbitrary code execution.
総合評価: CVE-2018-11236 は高リスク(77/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 7.40%、94 パーセンタイル) 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 直近 1 日で EPSS が +6.51% 上昇。悪用への関心が高まっている可能性があります。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。
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 | 0.89% | 7.40% | +6.51% |
| 2 | 2026-05-21 | 0.97% | 0.89% | -0.07% |
| 3 | 2026-03-16 | — | 0.97% | — |
EPSS の全履歴 (全 28 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 |
|---|---|---|---|---|---|---|
| 9.8 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2018-11236 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-2018-11236 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-11236 |
suse
|
high | CVE-2018-11236 severity important: SUSE including 581 source package names (0.1.0:glibc-2.26-13.3.1, 0.1.75:glibc-2.26-13.3.1, …), 925 product×package rows across 152 product lines (Container caasp/v4/389-ds, Container caasp/v4/busybox, … (152 product lines)): Fixed 694, Known Affected 157, Known Not Affected 74. | https://www.suse.com/security/cve/CVE-2018-11236/ |
ubuntu
|
medium | CVE-2018-11236 medium priority: Ubuntu including 2 source packages (eglibc, glibc), 34 status rows across 17 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, trusty, upstream, xenial): DNE 16, not-affected 12, released 4, ignored 1, needs-triage 1. | https://ubuntu.com/security/CVE-2018-11236 |
| 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:-:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.securityfocus.com/bid/104255 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHBA-2019:0327 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2018:3092 | Patch 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=22786 | Issue Tracking Third Party Advisory |
| https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=5460617d1567657621107d895ee2dd83bc1f88f2 | |
| https://usn.ubuntu.com/4416-1/ | |
| https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html | Patch Third Party Advisory |