LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers a heap-based buffer overflow.
総合評価: CVE-2023-40745 は中リスク(48.6/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 1.13%、62 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 | 0.26% | 1.13% | +0.87% |
| 2 | 2025-11-21 | 0.48% | 0.26% | -0.22% |
| 3 | 2025-11-18 | — | 0.48% | — |
EPSS の全履歴 (全 9 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 |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2023-40745 not yet assigned priority: Debian including 1 source packages (tiff), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2023-40745 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-40745 |
suse
|
medium | CVE-2023-40745 severity moderate: SUSE including 253 source package names (1.1.0-1.1:libtiff5-4.0.9-150000.45.41.1, 1.21-36.4:libtiff5-4.0.9-150000.45.41.1, …), 494 product×package rows across 154 product lines (Container private-registry/harbor-nginx, Container private-registry/harbor-portal, … (154 product lines)): Known Affected 231, Known Not Affected 133, Fixed 130. | https://www.suse.com/security/cve/CVE-2023-40745/ |
ubuntu
|
medium | CVE-2023-40745 medium priority: Ubuntu including 1 source packages (tiff), 7 status rows across 7 suites (bionic, focal, jammy, lunar, trusty, upstream, xenial): not-affected 6, released 1. | https://ubuntu.com/security/CVE-2023-40745 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| libtiff | libtiff | < 4.6.0 | cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:* |
| netapp | active_iq_unified_manager | — | cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:* |
| fedoraproject | fedora | — | cpe:2.3:o:fedoraproject:fedora:-:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 9.0 | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://access.redhat.com/errata/RHSA-2024:2289 | |
| https://access.redhat.com/security/cve/CVE-2023-40745 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2235265 | Issue Tracking Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20231110-0005/ |