The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.
総合評価: CVE-2016-4472 は高リスク(70.8/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 11.95%、96 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。 直近 1 日で EPSS が +9.68% 上昇。悪用への関心が高まっている可能性があります。 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 | 2.27% | 11.95% | +9.68% |
| 2 | 2026-03-04 | 3.51% | 2.27% | -1.23% |
| 3 | 2026-03-01 | — | 3.51% | — |
EPSS の全履歴 (全 48 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 |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.9 | [email protected] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2016-4472 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-2016-4472 |
gentoo
|
normal | CVE-2016-4472: 1 GLSA(s) (201701-21), 1 atom(s) (dev-libs/expat); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2016-4472 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2016-4472 |
suse
|
medium | CVE-2016-4472 severity moderate: SUSE including 284 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 505 product×package rows across 82 product lines (HPE Helion OpenStack 8, Image SLES12-SP5-Azure-BYOS, … (82 product lines)): Fixed 315, Known Affected 157, Known Not Affected 33. | https://www.suse.com/security/cve/CVE-2016-4472/ |
ubuntu
|
medium | CVE-2016-4472 medium priority: Ubuntu including 26 source packages (audacity, ayttm, …), 615 status rows across 24 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, wily, xenial, yakkety, zesty): not-affected 209, DNE 202, ignored 145, needed 29, needs-triage 22, released 8. | https://ubuntu.com/security/CVE-2016-4472 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| libexpat_project | libexpat | <= 2.1.1 | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* |
| mcafee | policy_auditor | < 6.5.1 | cpe:2.3:a:mcafee:policy_auditor:*:*:*:*:*:*:*:* |
| python | python | >= 2.7.0, < 2.7.15 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | >= 3.3.0, < 3.3.7 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | >= 3.4.0, < 3.4.7 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | >= 3.5.0, < 3.5.4 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | >= 3.6.0, < 3.6.2 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://www.securityfocus.com/bid/91528 | Third Party Advisory VDB Entry |
| http://www.ubuntu.com/usn/USN-3013-1 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1344251 | Issue Tracking Patch Third Party Advisory |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10365 | Third Party Advisory |
| https://security.gentoo.org/glsa/201701-21 | Third Party Advisory |
| https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde | Patch Third Party Advisory |
| https://www.tenable.com/security/tns-2016-20 | Third Party Advisory |