A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability.
総合評価: CVE-2020-36331 は中リスク(58/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 0.41%、61 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 | 2026-05-05 | 0.19% | 0.41% | +0.22% |
| 2 | 2025-11-21 | 1.42% | 0.19% | -1.23% |
| 3 | 2025-11-18 | — | 1.42% | — |
EPSS の全履歴 (全 21 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 |
|---|---|---|---|---|---|---|
| 9.1 | 3.1 | CRITICAL |
|
3.9 | 5.2 | [email protected] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2020-36331 not yet assigned priority: Debian including 1 source packages (libwebp), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-36331 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-36331 |
suse
|
critical | CVE-2020-36331 severity critical: SUSE including 255 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, …), 429 product×package rows across 53 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (53 product lines)): Known Affected 231, Fixed 191, Known Not Affected 7. | https://www.suse.com/security/cve/CVE-2020-36331/ |
ubuntu
|
medium | CVE-2020-36331 medium priority: Ubuntu including 1 source packages (libwebp), 9 status rows across 9 suites (bionic, focal, groovy, hirsute, impish, jammy, trusty, upstream, xenial): released 8, needs-triage 1. | https://ubuntu.com/security/CVE-2020-36331 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| webmproject | libwebp | < 1.0.1 | cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| netapp | ontap_select_deploy_administration_utility | — | cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| apple | ipados | < 14.7 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 14.7 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://seclists.org/fulldisclosure/2021/Jul/54 | Mailing List Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1956856 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html | Mailing List Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html | Mailing List Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20211112-0001/ | Third Party Advisory |
| https://support.apple.com/kb/HT212601 | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4930 | Mailing List Third Party Advisory |