A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.
総合評価: CVE-2020-27843 は中リスク(49.1/100)。CVSS 深刻度は中。悪用される可能性が高い(EPSS 1.70%、74 パーセンタイル) 根拠: 直近 1 日で EPSS が +1.18% 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: 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 | 2026-06-15 | 0.51% | 1.70% | +1.18% |
| 2 | 2026-05-30 | 0.40% | 0.51% | +0.12% |
| 3 | 2026-05-27 | — | 0.40% | — |
EPSS の全履歴 (全 14 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 |
|---|---|---|---|---|---|---|
| 5.5 | 3.1 | MEDIUM |
|
1.8 | 3.6 | [email protected] |
| 7.1 | 2.0 | HIGH |
|
8.6 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2020-27843: 1 source package rows (openjpeg); 50 state rows across 5 repos (3.19-main, 3.20-main, 3.21-main, 3.22-main, edge-main); fixed 0, open 50. | https://security.alpinelinux.org/vuln/CVE-2020-27843 |
debian
|
not yet assigned | CVE-2020-27843 not yet assigned priority: Debian including 1 source packages (openjpeg2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2020-27843 |
gentoo
|
normal | CVE-2020-27843: 1 GLSA(s) (202101-29), 1 atom(s) (media-libs/openjpeg); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-27843 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2020-27843 |
suse
|
medium | CVE-2020-27843 severity moderate: SUSE including 32 source package names (0.3.2-1.2:libopenjp2-7-2.3.0-150000.3.8.1, 0.3.32-3.4:libopenjp2-7-2.3.0-150000.3.8.1, …), 247 product×package rows across 66 product lines (Container containers/lmcache-vllm-openai, Container containers/open-webui, … (66 product lines)): Fixed 183, Will Not Fix 64. | https://www.suse.com/security/cve/CVE-2020-27843/ |
ubuntu
|
low | CVE-2020-27843 low priority: Ubuntu including 7 source packages (blender, ghostscript, …), 112 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 31, needs-triage 27, DNE 25, released 16, not-affected 12, needed 1. | https://ubuntu.com/security/CVE-2020-27843 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| uclouvain | openjpeg | < 2.4.0 | cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 32 | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
| fedoraproject | fedora | 33 | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
| oracle | outside_in_technology | 8.5.5 | cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1907516 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/ | |
| https://security.gentoo.org/glsa/202101-29 | Third Party Advisory |
| https://www.debian.org/security/2021/dsa-4882 | Third Party Advisory |
| https://www.oracle.com//security-alerts/cpujul2021.html | Patch Third Party Advisory |
| https://www.oracle.com/security-alerts/cpuApr2021.html | Patch Third Party Advisory |