regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive S_study_chunk calls.
総合評価: CVE-2020-12723 は中リスク（62.4/100）。CVSS 深刻度は高。悪用される可能性が高い（EPSS 5.97%、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 | 2026-06-20 | 5.86% | 5.97% | +0.11% |
| 2 | 2026-06-18 | 6.02% | 5.86% | -0.16% |
| 3 | 2026-06-15 | — | 6.02% | — |
EPSS の全履歴 （全 16 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-2020-12723: 1 source package rows (perl); 30 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 20. | https://security.alpinelinux.org/vuln/CVE-2020-12723 |
debian
|
not yet assigned | CVE-2020-12723 not yet assigned priority: Debian including 1 source packages (perl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-12723 |
gentoo
|
normal | CVE-2020-12723: 1 GLSA(s) (202006-03), 1 atom(s) (dev-lang/perl); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-12723 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-12723 |
suse
|
medium | CVE-2020-12723 severity moderate: SUSE including 404 source package names (0.1.0:perl-base-5.26.1-7.12.1, 0.1.75:perl-base-5.26.1-7.12.1, …), 600 product×package rows across 143 product lines (Container caasp/v4/389-ds, Container caasp/v4/busybox, … (143 product lines)): Fixed 423, Known Affected 157, Known Not Affected 20. | https://www.suse.com/security/cve/CVE-2020-12723/ |
ubuntu
|
low | CVE-2020-12723 low priority: Ubuntu including 1 source packages (perl), 7 status rows across 7 suites (bionic, eoan, focal, groovy, trusty, upstream, xenial): released 5, ignored 1, not-affected 1. | https://ubuntu.com/security/CVE-2020-12723 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| perl | perl | < 5.30.3 | cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* |
| netapp | oncommand_workflow_automation | — | cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:* |
| netapp | snap_creator_framework | — | cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:* |
| fedoraproject | fedora | 31 | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
| opensuse | leap | 15.1 | cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
| oracle | communications_billing_and_revenue_management | 12.0.0.2.0 | cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.2.0:*:*:*:*:*:*:* |
| oracle | communications_billing_and_revenue_management | 12.0.0.3.0 | cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:* |
| oracle | communications_diameter_signaling_router | >= 8.0.0, <= 8.5.0 | cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* |
| oracle | communications_eagle_application_processor | >= 16.1.0, <= 16.4.0 | cpe:2.3:a:oracle:communications_eagle_application_processor:*:*:*:*:*:*:*:* |
| oracle | communications_eagle_lnp_application_processor | 10.1 | cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.1:*:*:*:*:*:*:* |
| oracle | communications_eagle_lnp_application_processor | 10.2 | cpe:2.3:a:oracle:communications_eagle_lnp_application_processor:10.2:*:*:*:*:*:*:* |
| oracle | communications_lsms | >= 13.1, <= 13.4 | cpe:2.3:a:oracle:communications_lsms:*:*:*:*:*:*:*:* |
| oracle | communications_offline_mediation_controller | 12.0.0.3.0 | cpe:2.3:a:oracle:communications_offline_mediation_controller:12.0.0.3.0:*:*:*:*:*:*:* |
| oracle | communications_performance_intelligence_center | >= 10.3.0.0.0, <= 10.3.0.2.1 | cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:* |
| oracle | communications_performance_intelligence_center | >= 10.4.0.1.0, <= 10.4.0.3.1 | cpe:2.3:a:oracle:communications_performance_intelligence_center:*:*:*:*:*:*:*:* |
| oracle | configuration_manager | 12.1.2.0.8 | cpe:2.3:a:oracle:configuration_manager:12.1.2.0.8:*:*:*:*:*:*:* |
| oracle | enterprise_manager_base_platform | 13.4.0.0 | cpe:2.3:a:oracle:enterprise_manager_base_platform:13.4.0.0:*:*:*:*:*:*:* |
| oracle | sd-wan_edge | 8.2 | cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:* |
| oracle | sd-wan_edge | 9.0 | cpe:2.3:a:oracle:sd-wan_edge:9.0:*:*:*:*:*:*:* |
| oracle | sd-wan_edge | 9.1 | cpe:2.3:a:oracle:sd-wan_edge:9.1:*:*:*:*:*:*:* |
| oracle | tekelec_platform_distribution | >= 7.4.0, <= 7.7.1 | cpe:2.3:a:oracle:tekelec_platform_distribution:*:*:*:*:*:*:*:* |