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CVE-2019-12827 · cross-distro fix matrix

CVE-2019-12827: Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

Affects 6 Linux releases across 6 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-12827 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • asterisk→ fixed in1:16.2.1~dfsg-2urgency: not yet assigned
    sudo apt-get install --only-upgrade -y asterisk

Alpine v3.20

Source: Alpine secdb

  • asterisk→ fixed in16.4.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.21

Source: Alpine secdb

  • asterisk→ fixed in16.4.1-r0
    apk update && apk add --upgrade asterisk

Alpine edge

Source: Alpine secdb

  • asterisk→ fixed in16.4.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.18

Source: Alpine secdb

  • asterisk→ fixed in16.4.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.19

Source: Alpine secdb

  • asterisk→ fixed in16.4.1-r0
    apk update && apk add --upgrade asterisk
Are YOU affected by CVE-2019-12827?

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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