CVE-2021-32055 · cross-distro fix matrix

CVE-2021-32055: 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.

Affects 8 Linux releases across 11 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-32055 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mutt→ fixed in2.0.5-4.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mutt
```
neomutt→ fixed in20201127+dfsg.1-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y neomutt
```

Debian bookworm

Source: Debian Security Tracker

mutt→ fixed in2.0.5-4.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mutt
```
neomutt→ fixed in20201127+dfsg.1-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y neomutt
```

Debian trixie

Source: Debian Security Tracker

mutt→ fixed in2.0.5-4.1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y mutt
```
neomutt→ fixed in20201127+dfsg.1-1.2urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y neomutt
```

Alpine v3.20

Source: Alpine secdb

neomutt→ fixed in20211015-r0
```
apk update && apk add --upgrade neomutt
```

Alpine v3.21

Source: Alpine secdb

neomutt→ fixed in20211015-r0
```
apk update && apk add --upgrade neomutt
```

Alpine edge

Source: Alpine secdb

neomutt→ fixed in20211015-r0
```
apk update && apk add --upgrade neomutt
```

Alpine v3.18

Source: Alpine secdb

neomutt→ fixed in20211015-r0
```
apk update && apk add --upgrade neomutt
```

Alpine v3.19

Source: Alpine secdb

neomutt→ fixed in20211015-r0
```
apk update && apk add --upgrade neomutt
```

Are YOU affected by CVE-2021-32055?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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