Debian bullseye
Source: Debian Security Tracker
claws-mail→ fixed in3.17.6-1urgency: not yet assignedsudo apt-get install --only-upgrade -y claws-mail
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CVE-2020-15917 · cross-distro fix matrix
CVE-2020-15917: common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Affects 8 Linux releases across 8 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2020-15917 has a known fix. Run the listed command on that distro to remediate.
Debian bookworm
Source: Debian Security Tracker
claws-mail→ fixed in3.17.6-1urgency: not yet assignedsudo apt-get install --only-upgrade -y claws-mail
Debian trixie
Source: Debian Security Tracker
claws-mail→ fixed in3.17.6-1urgency: not yet assignedsudo apt-get install --only-upgrade -y claws-mail
Alpine v3.20
Source: Alpine secdb
claws-mail→ fixed in3.17.6-r0apk update && apk add --upgrade claws-mail
Alpine v3.21
Source: Alpine secdb
claws-mail→ fixed in3.17.6-r0apk update && apk add --upgrade claws-mail
Alpine edge
Source: Alpine secdb
claws-mail→ fixed in3.17.6-r0apk update && apk add --upgrade claws-mail
Alpine v3.18
Source: Alpine secdb
claws-mail→ fixed in3.17.6-r0apk update && apk add --upgrade claws-mail
Alpine v3.19
Source: Alpine secdb
claws-mail→ fixed in3.17.6-r0apk update && apk add --upgrade claws-mail
Are YOU affected by CVE-2020-15917?
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
Continuous monitoring beats manual checking
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