Debian bullseye
Source: Debian Security Tracker
asterisk→ fixed in1:16.28.0~dfsg-0+deb11u5urgency: not yet assignedsudo apt-get install --only-upgrade -y asterisk
Back to CVE digest
CVE-2024-42491 · cross-distro fix matrix
CVE-2024-42491: Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.24.3, 20.9.3, and 21.4.3 of Asterisk and versions 18.9-cert12 and 20.7-cert2 of certified-asterisk, if Asterisk attempts to send a SIP request to a URI whose host portion starts with `.1` or `[.1]`, and res_resolver_unbou
Affects 6 Linux releases across 6 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2024-42491 has a known fix. Run the listed command on that distro to remediate.
Alpine v3.20
Source: Alpine secdb
asterisk→ fixed in20.9.3-r0apk update && apk add --upgrade asterisk
Alpine v3.21
Source: Alpine secdb
asterisk→ fixed in20.9.3-r0apk update && apk add --upgrade asterisk
Alpine edge
Source: Alpine secdb
asterisk→ fixed in20.9.3-r0apk update && apk add --upgrade asterisk
Alpine v3.18
Source: Alpine secdb
asterisk→ fixed in18.24.3-r0apk update && apk add --upgrade asterisk
Alpine v3.19
Source: Alpine secdb
asterisk→ fixed in20.9.3-r0apk update && apk add --upgrade asterisk
Are YOU affected by CVE-2024-42491?
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
Continuous monitoring beats manual checking
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