A flaw was found in openjpeg's src/lib/openjp2/t2.c in versions prior to 2.4.0. This flaw allows an attacker to provide crafted input to openjpeg during conversion and encoding, causing an out-of-bounds write. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
総合評価: CVE-2020-27844 は中リスク(55.3/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.33%、67 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 | 2026-06-15 | 0.80% | 1.33% | +0.53% |
| 2 | 2026-05-26 | 1.99% | 0.80% | -1.19% |
| 3 | 2026-04-20 | — | 1.99% | — |
EPSS の全履歴 (全 25 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 |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 8.3 | 2.0 | HIGH |
|
8.6 | 8.5 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2020-27844: 3 source package rows (chromium, openjpeg, qt5-qtwebengine); 74 state rows across 17 repos (3.10-main, 3.11-main, 3.12-main, 3.17-community, 3.17-main, 3.18-community, 3.18-main, 3.19-community, 3.19-main, 3.20-community, 3.20-main, 3.21-community, 3.21-main, 3.22-community, 3.22-main, edge-community, edge-main); fixed 24, open 50. | https://security.alpinelinux.org/vuln/CVE-2020-27844 |
debian
|
unimportant | CVE-2020-27844 unimportant 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-2020-27844 |
gentoo
|
normal | CVE-2020-27844: 1 GLSA(s) (202101-29), 1 atom(s) (media-libs/openjpeg); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2020-27844 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2020-27844 |
suse
|
high | CVE-2020-27844 severity important: SUSE including 19 source package names (chromedriver-89.0.4389.72-bp152.2.62.1, chromedriver-89.0.4389.72-lp152.2.77.1, …), 144 product×package rows across 36 product lines (HPE Helion OpenStack 8, SUSE Enterprise Storage 5, … (36 product lines)): Known Not Affected 134, Fixed 10. | https://www.suse.com/security/cve/CVE-2020-27844/ |
ubuntu
|
medium | CVE-2020-27844 medium priority: Ubuntu including 6 source packages (blender, insighttoolkit4, openjpeg, openjpeg2, qtwebengine-opensource-src, texmaker), 93 status rows across 16 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 57, DNE 21, needs-triage 8, ignored 5, released 2. | https://ubuntu.com/security/CVE-2020-27844 |
| 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:*:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| oracle | outside_in_technology | 8.5.5 | cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1907521 | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00011.html | Mailing List Third Party Advisory |
| https://security.gentoo.org/glsa/202101-29 | 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 |