Liblouis through 3.21.0 has a buffer overflow in compilePassOpcode in compileTranslationTable.c (called, indirectly, by tools/lou_checktable.c).
総合評価: CVE-2022-26981 は悪用リスクが高い(71.7/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 1.45%、70 パーセンタイル) 根拠: 公開エクスプロイトが 1 件参照されています(Exploit-DB)。 直近 1 日で EPSS が +1.08% 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: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.37% | 1.45% | +1.08% |
| 2 | 2026-03-18 | 0.34% | 0.37% | +0.02% |
| 3 | 2025-11-21 | — | 0.34% | — |
EPSS の全履歴 (全 12 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] |
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2022-26981: 1 source package rows (liblouis); 4 state rows across 4 repos (3.20-community, 3.21-community, 3.22-community, edge-community); fixed 4, open 0. | https://security.alpinelinux.org/vuln/CVE-2022-26981 |
debian
|
not yet assigned | CVE-2022-26981 not yet assigned priority: Debian including 1 source packages (liblouis), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. | https://security-tracker.debian.org/tracker/CVE-2022-26981 |
gentoo
|
low | CVE-2022-26981: 1 GLSA(s) (202301-06), 1 atom(s) (dev-libs/liblouis); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2022-26981 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2022-26981 |
suse
|
high | CVE-2022-26981 severity important: SUSE including 33 source package names (liblouis, liblouis-data, …), 188 product×package rows across 55 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (55 product lines)): Fixed 136, Known Not Affected 52. | https://www.suse.com/security/cve/CVE-2022-26981/ |
ubuntu
|
low | CVE-2022-26981 low priority: Ubuntu including 1 source packages (liblouis), 14 status rows across 14 suites (bionic, focal, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): released 11, ignored 1, needed 1, needs-triage 1. | https://ubuntu.com/security/CVE-2022-26981 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| liblouis | liblouis | <= 3.21.0 | cpe:2.3:a:liblouis:liblouis:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 36 | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
| apple | ipados | < 15.6 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 15.6 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | >= 12.0, < 12.5 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 15.6 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | watchos | < 8.7 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://seclists.org/fulldisclosure/2022/Jul/12 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2022/Jul/15 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2022/Jul/16 | Mailing List Third Party Advisory |
| http://seclists.org/fulldisclosure/2022/Jul/18 | Mailing List Third Party Advisory |
| https://github.com/liblouis/liblouis/issues/1171 | Exploit Issue Tracking Patch Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFD2KIHESDUCNWTEW3USFB5GKTWT624L/ | |
| https://security.gentoo.org/glsa/202301-06 | Third Party Advisory |
| https://support.apple.com/kb/HT213340 | Third Party Advisory |
| https://support.apple.com/kb/HT213342 | Third Party Advisory |
| https://support.apple.com/kb/HT213345 | Third Party Advisory |
| https://support.apple.com/kb/HT213346 | Third Party Advisory |