The caml_ba_deserialize function in byterun/bigarray.c in the standard library in OCaml 4.06.0 has an integer overflow which, in situations where marshalled data is accepted from an untrusted source, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted object.
総合評価: CVE-2018-9838 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 4.22%、90 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 | 2026-06-15 | 8.12% | 4.22% | -3.90% |
| 2 | 2026-04-13 | 11.73% | 8.12% | -3.62% |
| 3 | 2026-03-25 | — | 11.73% | — |
EPSS の全履歴 (全 18 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 | 3.0 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2018-9838 not yet assigned priority: Debian including 1 source packages (ocaml), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2018-9838 |
gentoo
|
normal | CVE-2018-9838: 1 GLSA(s) (202007-48), 1 atom(s) (dev-lang/ocaml); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2018-9838 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2018-9838 |
suse
|
high | CVE-2018-9838 severity important: SUSE including 35 source package names (ocaml, ocaml-4.02.1-4.6.1, …), 107 product×package rows across 26 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (26 product lines)): Fixed 62, Known Not Affected 45. | https://www.suse.com/security/cve/CVE-2018-9838/ |
ubuntu
|
low | CVE-2018-9838 low priority: Ubuntu including 1 source packages (ocaml), 15 status rows across 15 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, trusty, upstream, xenial): not-affected 8, released 4, ignored 3. | https://ubuntu.com/security/CVE-2018-9838 |
| URL | タグ |
|---|---|
| https://caml.inria.fr/mantis/view.php?id=7765 | Issue Tracking Vendor Advisory |
| https://security.gentoo.org/glsa/202007-48 |