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CVE-2021-29956 · cross-distro fix matrix

CVE-2021-29956: OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. Version 78.10.2 will restore the protection mechanism for newly imported keys, and will automati

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

Fix per ecosystem

Each block below is a distro release where CVE-2021-29956 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • thunderbird→ fixed in1:78.10.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Debian bookworm

Source: Debian Security Tracker

  • thunderbird→ fixed in1:78.10.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Debian trixie

Source: Debian Security Tracker

  • thunderbird→ fixed in1:78.10.2-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y thunderbird

Alpine v3.20

Source: Alpine secdb

  • thunderbird→ fixed in91.3.2-r0
    apk update && apk add --upgrade thunderbird

Alpine v3.21

Source: Alpine secdb

  • thunderbird→ fixed in91.3.2-r0
    apk update && apk add --upgrade thunderbird

Alpine edge

Source: Alpine secdb

  • thunderbird→ fixed in91.3.2-r0
    apk update && apk add --upgrade thunderbird

Alpine v3.18

Source: Alpine secdb

  • thunderbird→ fixed in91.3.2-r0
    apk update && apk add --upgrade thunderbird

Alpine v3.19

Source: Alpine secdb

  • thunderbird→ fixed in91.3.2-r0
    apk update && apk add --upgrade thunderbird
Are YOU affected by CVE-2021-29956?

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