The crc32_big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation.
総合評価: CVE-2016-9843 は高リスク（66.5/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 6.00%、92 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。 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 | 17.67% | 6.00% | -11.68% |
| 2 | 2026-06-14 | 13.50% | 17.67% | +4.17% |
| 3 | 2026-06-06 | — | 13.50% | — |
EPSS の全履歴 （全 27 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 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2016-9843: 1 source package rows (mariadb); 10 state rows across 10 repos (3.10-main, 3.11-main, 3.12-main, 3.17-main, 3.18-main, 3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 10, open 0. | https://security.alpinelinux.org/vuln/CVE-2016-9843 |
debian
|
not yet assigned | CVE-2016-9843 not yet assigned priority: Debian including 2 source packages (rsync, zlib), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2016-9843 |
gentoo
|
normal | CVE-2016-9843: 2 GLSA(s) (201701-56, 202007-54), 2 atom(s) (net-misc/rsync, sys-libs/zlib); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-9843 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2016-9843 |
suse
|
medium | CVE-2016-9843 severity moderate: SUSE including 638 source package names (0.9.1:libz1-1.2.8-11.1, 1.0.0:libz1-1.2.8-11.1, …), 1155 product×package rows across 134 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (134 product lines)): Fixed 940, Known Affected 157, Known Not Affected 58. | https://www.suse.com/security/cve/CVE-2016-9843/ |
ubuntu
|
low | CVE-2016-9843 low priority: Ubuntu including 4 source packages (klibc, rsync, zlib, zsync), 61 status rows across 23 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, xenial, yakkety, zesty): released 26, not-affected 18, needs-triage 8, ignored 7, needed 2. | https://ubuntu.com/security/CVE-2016-9843 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| zlib | zlib | >= 1.2.0, < 1.2.9 | cpe:2.3:a:zlib:zlib:*:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | leap | 42.2 | cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| 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:*:*:* |
| oracle | database_server | 18c | cpe:2.3:a:oracle:database_server:18c:*:*:*:*:*:*:* |
| oracle | jdk | 1.6.0 | cpe:2.3:a:oracle:jdk:1.6.0:update161:*:*:*:*:*:* |
| oracle | jdk | 1.7.0 | cpe:2.3:a:oracle:jdk:1.7.0:update151:*:*:*:*:*:* |
| oracle | jdk | 1.8.0 | cpe:2.3:a:oracle:jdk:1.8.0:update144:*:*:*:*:*:* |
| oracle | jre | 1.6.0 | cpe:2.3:a:oracle:jre:1.6.0:update161:*:*:*:*:*:* |
| oracle | jre | 1.7.0 | cpe:2.3:a:oracle:jre:1.7.0:update151:*:*:*:*:*:* |
| oracle | jre | 1.8.0 | cpe:2.3:a:oracle:jre:1.8.0:update144:*:*:*:*:*:* |
| oracle | mysql | >= 5.5.0, <= 5.5.61 | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* |
| oracle | mysql | >= 5.6.0, <= 5.6.41 | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* |
| oracle | mysql | >= 5.7.0, <= 5.7.23 | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* |
| oracle | mysql | >= 8.0.0, <= 8.0.12 | cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:* |
| redhat | satellite | 5.8 | cpe:2.3:a:redhat:satellite:5.8:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 6.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_desktop | 7.0 | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.4 | cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:* |
| redhat | enterprise_linux_eus | 7.5 | cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 6.0 | cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 6.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| apple | iphone_os | < 11 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | mac_os_x | >= 10.0.0, < 10.13.0 | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* |
| apple | tvos | < 11.0 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | < 4 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | >= 7.3 | cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:windows:*:* |
| netapp | active_iq_unified_manager | >= 9.5 | cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* |
| netapp | oncommand_insight | — | cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:* |
| netapp | oncommand_workflow_automation | — | cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* |
| netapp | snapcenter | — | cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:* |
| mariadb | mariadb | >= 5.5.0, < 5.5.62 | cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* |
| mariadb | mariadb | >= 10.0.0, < 10.0.37 | cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* |
| mariadb | mariadb | >= 10.1.0, < 10.1.37 | cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* |
| mariadb | mariadb | >= 10.2.0, < 10.2.19 | cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* |
| mariadb | mariadb | >= 10.3.0, < 10.3.11 | cpe:2.3:a:mariadb:mariadb:*:*:*:*:*:*:*:* |
| nodejs | node.js | >= 4.0.0, <= 4.1.2 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | >= 4.2.0, < 4.8.2 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 6.0.0, <= 6.8.1 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |
| nodejs | node.js | >= 6.9.0, < 6.10.2 | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* |
| nodejs | node.js | >= 7.0.0, < 7.6.0 | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* |