Debian bullseye
Source: Debian Security Tracker
asterisk→ fixed in1:16.16.1~dfsg-1urgency: not yet assignedsudo apt-get install --only-upgrade -y asterisk
Back to CVE digest
CVE-2020-35776 · cross-distro fix matrix
CVE-2020-35776: A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
Affects 6 Linux releases across 6 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2020-35776 has a known fix. Run the listed command on that distro to remediate.
Alpine v3.20
Source: Alpine secdb
asterisk→ fixed in18.1.1-r0apk update && apk add --upgrade asterisk
Alpine v3.21
Source: Alpine secdb
asterisk→ fixed in18.1.1-r0apk update && apk add --upgrade asterisk
Alpine edge
Source: Alpine secdb
asterisk→ fixed in18.1.1-r0apk update && apk add --upgrade asterisk
Alpine v3.18
Source: Alpine secdb
asterisk→ fixed in18.1.1-r0apk update && apk add --upgrade asterisk
Alpine v3.19
Source: Alpine secdb
asterisk→ fixed in18.1.1-r0apk update && apk add --upgrade asterisk
Are YOU affected by CVE-2020-35776?
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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