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CVE-2020-35652 · cross-distro fix matrix

CVE-2020-35652: An issue was discovered in res_pjsip_diversion.c in Sangoma Asterisk before 13.38.0, 14.x through 16.x before 16.15.0, 17.x before 17.9.0, and 18.x before 18.1.0. A crash can occur when a SIP message is received with a History-Info header that contains a tel-uri, or when a SIP 181 response is receiv

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

Fix per ecosystem

Each block below is a distro release where CVE-2020-35652 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • asterisk→ fixed in1:16.15.1~dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y asterisk

Alpine v3.20

Source: Alpine secdb

  • asterisk→ fixed in18.1.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.21

Source: Alpine secdb

  • asterisk→ fixed in18.1.1-r0
    apk update && apk add --upgrade asterisk

Alpine edge

Source: Alpine secdb

  • asterisk→ fixed in18.1.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.18

Source: Alpine secdb

  • asterisk→ fixed in18.1.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.19

Source: Alpine secdb

  • asterisk→ fixed in18.1.1-r0
    apk update && apk add --upgrade asterisk
Are YOU affected by CVE-2020-35652?

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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CVE-2020-35652dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

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