GHSA-784x-7qm2-gp97 · 深刻度: high — An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer...
An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
総合評価: CVE-2024-45491 は高リスク(66.7/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 1.14%、79 パーセンタイル) 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 | 2026-06-02 | 1.17% | 1.14% | -0.03% |
| 2 | 2026-05-28 | 1.44% | 1.17% | -0.26% |
| 3 | 2026-05-22 | — | 1.44% | — |
EPSS の全履歴 (全 25 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] |
| 7.3 | 3.1 | HIGH |
|
3.9 | 3.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
GHSA-784x-7qm2-gp97 · 深刻度: high — An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer...
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2024-45491: 3 source package rows (expat, qt5-qtwebengine, qt6-qtwebengine); 19 state rows across 11 repos (3.17-main, 3.18-main, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 14, open 5. | https://security.alpinelinux.org/vuln/CVE-2024-45491 |
debian
|
not yet assigned | CVE-2024-45491 not yet assigned priority: Debian including 2 source packages (expat, libxmltok), 7 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5, open 2. | https://security-tracker.debian.org/tracker/CVE-2024-45491 |
gentoo
|
high | CVE-2024-45491: 1 GLSA(s) (202501-09), 1 atom(s) (dev-qt/qtwebengine); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2024-45491 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2024-45491 |
suse
|
medium | CVE-2024-45491 severity moderate: SUSE including 380 source package names (0.0.17-1.1:libexpat1-2.4.4-150400.3.22.1, 0.1.6-1.2:libexpat1-2.4.4-150400.3.22.1, …), 866 product×package rows across 345 product lines (Container bci/bci-init, Container bci/bci-sle15-kernel-module-devel, … (345 product lines)): Fixed 644, Known Affected 216, Known Not Affected 6. | https://www.suse.com/security/cve/CVE-2024-45491/ |
ubuntu
|
medium | CVE-2024-45491 medium priority: Ubuntu including 23 source packages (apache2, apr-util, …), 208 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 71, not-affected 68, DNE 37, ignored 18, released 13, needed 1. | https://ubuntu.com/security/CVE-2024-45491 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| libexpat_project | libexpat | < 2.6.3 | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* |