memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.
総合評価: CVE-2018-1000127 は中リスク(56/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.00%、76 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 | 2025-11-21 | 1.73% | 1.00% | -0.73% |
| 2 | 2025-11-18 | 1.00% | 1.73% | +0.73% |
| 3 | 2025-06-19 | — | 1.00% | — |
EPSS の全履歴 (全 13 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 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-1000127 not yet assigned priority: Debian including 1 source packages (memcached), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-1000127 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2018-1000127 |
suse
|
medium | CVE-2018-1000127 severity moderate: SUSE including 12 source package names (memcached, memcached-1.5.6-2.10, …), 73 product×package rows across 44 product lines (SUSE CaaS Platform 4.0, SUSE CaaS Platform 4.5, … (44 product lines)): Known Not Affected 57, Fixed 16. | https://www.suse.com/security/cve/CVE-2018-1000127/ |
ubuntu
|
medium | CVE-2018-1000127 medium priority: Ubuntu including 1 source packages (memcached), 4 status rows across 4 suites (artful, trusty, upstream, xenial): released 4. | https://ubuntu.com/security/CVE-2018-1000127 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| memcached | memcached | < 1.4.37 | cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| 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:*:*:*:lts:*:*:* |
| canonical | ubuntu_linux | 17.10 | cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* |
| redhat | openstack | 10 | cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:2290 | Third Party Advisory |
| https://github.com/memcached/memcached/commit/a8c4a82787b8b6c256d61bd5c42fb7f92d1bae00 | Patch Third Party Advisory |
| https://github.com/memcached/memcached/issues/271 | Third Party Advisory |
| https://github.com/memcached/memcached/wiki/ReleaseNotes1437 | Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2018/03/msg00031.html | Mailing List Third Party Advisory |
| https://usn.ubuntu.com/3601-1/ | Third Party Advisory |
| https://www.debian.org/security/2018/dsa-4218 | Third Party Advisory |