Mutt 1.11.0 through 2.0.x before 2.0.7 (and NeoMutt 2019-10-25 through 2021-05-04) has a $imap_qresync issue in which imap/util.c has an out-of-bounds read in situations where an IMAP sequence set ends with a comma. NOTE: the $imap_qresync setting for QRESYNC is not enabled by default.
総合評価: CVE-2021-32055 は高リスク(67.6/100)。CVSS 深刻度は重大。悪用される可能性が高い(EPSS 2.55%、83 パーセンタイル) 根拠: 直近 1 日で EPSS が +2.20% 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 | 0.36% | 2.55% | +2.20% |
| 2 | 2026-02-23 | 0.53% | 0.36% | -0.18% |
| 3 | 2025-11-21 | — | 0.53% | — |
EPSS の全履歴 (全 15 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] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
critical | CVE-2021-32055: 2 source package rows (mutt, neomutt); 13 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 6. | https://security.alpinelinux.org/vuln/CVE-2021-32055 |
debian
|
not yet assigned | CVE-2021-32055 not yet assigned priority: Debian including 2 source packages (mutt, neomutt), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 10. | https://security-tracker.debian.org/tracker/CVE-2021-32055 |
gentoo
|
low | CVE-2021-32055: 1 GLSA(s) (202105-05), 2 atom(s) (mail-client/mutt, mail-client/neomutt); latest impact low. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2021-32055 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2021-32055 |
suse
|
medium | CVE-2021-32055 severity moderate: SUSE including 18 source package names (mutt, mutt-2.0.7-2.2, …), 72 product×package rows across 41 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (41 product lines)): Known Not Affected 51, Fixed 21. | https://www.suse.com/security/cve/CVE-2021-32055/ |
ubuntu
|
low | CVE-2021-32055 low priority: Ubuntu including 2 source packages (mutt, neomutt), 30 status rows across 15 suites (bionic, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): not-affected 14, ignored 10, released 5, DNE 1. | https://ubuntu.com/security/CVE-2021-32055 |
| URL | タグ |
|---|---|
| http://lists.mutt.org/pipermail/mutt-announce/Week-of-Mon-20210503/000036.html | Mailing List Vendor Advisory |
| https://github.com/neomutt/neomutt/commit/fa1db5785e5cfd9d3cd27b7571b9fe268d2ec2dc | Patch Third Party Advisory |
| https://gitlab.com/muttmua/mutt/-/commit/7c4779ac24d2fb68a2a47b58c7904118f40965d5 | Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202105-05 | Third Party Advisory |