Multiple integer overflows in the XML_GetBuffer function in Expat through 2.1.0, as used in Google Chrome before 44.0.2403.89 and other products, allow remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted XML data, a related issue to CVE-2015-2716.
総合評価: CVE-2015-1283 は高リスク（66.1/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 19.07%、97 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 +18.55% 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 | 0.52% | 19.07% | +18.55% |
| 2 | 2026-03-04 | 0.37% | 0.52% | +0.15% |
| 3 | 2026-03-01 | — | 0.37% | — |
EPSS の全履歴 （全 45 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 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2015-1283 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-2015-1283 |
gentoo
|
normal | CVE-2015-1283: 2 GLSA(s) (201603-09, 201701-21), 2 atom(s) (dev-libs/expat, www-client/chromium); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-1283 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2015-1283 |
suse
|
medium | CVE-2015-1283 severity moderate: SUSE including 323 source package names (0.9.1:expat-2.1.0-17.1, 0.9.1:libexpat1-2.1.0-17.1, …), 528 product×package rows across 107 product lines (Container caasp/v4/default-http-backend, Container caasp/v4/dnsmasq-nanny, … (107 product lines)): Fixed 285, Known Affected 157, Known Not Affected 86. | https://www.suse.com/security/cve/CVE-2015-1283/ |
ubuntu
|
medium | CVE-2015-1283 medium priority: Ubuntu including 33 source packages (apache2, apr-util, …), 847 status rows across 26 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, precise, questing, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 335, DNE 228, ignored 183, released 45, needed 39, needs-triage 17. | https://ubuntu.com/security/CVE-2015-1283 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| chrome | <= 43.0.2357.134 | cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* | |
| libexpat_project | libexpat | <= 2.1.0 | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* |
| python | python | >= 2.7.0, < 2.7.12 | 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, < 3.4.5 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python | python | >= 3.5.0, < 3.5.2 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| debian | debian_linux | 8.0 | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 14.04 | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 15.04 | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* |
| suse | linux_enterprise_debuginfo | 11 | cpe:2.3:a:suse:linux_enterprise_debuginfo:11:sp4:*:*:*:*:*:* |
| suse | studio_onsite | 1.3 | cpe:2.3:a:suse:studio_onsite:1.3:*:*:*:*:*:*:* |
| opensuse | leap | 42.1 | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.1 | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 13.2 | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 12 | cpe:2.3:o:suse:linux_enterprise_desktop:12:-:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 12 | cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_server | 12 | cpe:2.3:o:suse:linux_enterprise_server:12:-:*:*:*:*:*:* |
| suse | linux_enterprise_server | 12 | cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 11 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 12 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:-:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 12 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp1:*:*:*:*:*:* |
| oracle | solaris | 10 | cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:* |
| oracle | solaris | 11.3 | cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* |