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CVE-2021-43303 · cross-distro fix matrix

CVE-2021-43303: Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied

Affects 7 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2021-43303 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • asterisk→ fixed in1:16.28.0~dfsg-0+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y asterisk
  • ring→ fixed in20210112.2.b757bac~ds1-1+deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ring

Debian bookworm

Source: Debian Security Tracker

  • ring→ fixed in20230206.0~ds1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ring

Alpine v3.20

Source: Alpine secdb

  • pjproject→ fixed in2.12-r0
    apk update && apk add --upgrade pjproject

Alpine v3.21

Source: Alpine secdb

  • pjproject→ fixed in2.12-r0
    apk update && apk add --upgrade pjproject

Alpine edge

Source: Alpine secdb

  • pjproject→ fixed in2.12-r0
    apk update && apk add --upgrade pjproject

Alpine v3.18

Source: Alpine secdb

  • pjproject→ fixed in2.12-r0
    apk update && apk add --upgrade pjproject

Alpine v3.19

Source: Alpine secdb

  • pjproject→ fixed in2.12-r0
    apk update && apk add --upgrade pjproject
Are YOU affected by CVE-2021-43303?

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