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CVE-2023-49294 · cross-distro fix matrix

CVE-2023-49294: Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the `live_dangerously` is not enabled. This allows arbitrary fil

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

Elevated exploitation risk

FIRST EPSS puts CVE-2023-49294's probability of exploitation in the next 30 days at 46% (99th percentile of all CVEs)— well above the noise floor. Prioritize it.

EPSS:46% · 30-day exploit probability99th percentile

Fix per ecosystem

Each block below is a distro release where CVE-2023-49294 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+deb11u4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y asterisk

Alpine v3.20

Source: Alpine secdb

  • asterisk→ fixed in20.5.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.21

Source: Alpine secdb

  • asterisk→ fixed in20.5.1-r0
    apk update && apk add --upgrade asterisk

Alpine edge

Source: Alpine secdb

  • asterisk→ fixed in20.5.1-r0
    apk update && apk add --upgrade asterisk

Alpine v3.18

Source: Alpine secdb

  • asterisk→ fixed in18.20.2-r0
    apk update && apk add --upgrade asterisk

Alpine v3.19

Source: Alpine secdb

  • asterisk→ fixed in20.5.1-r0
    apk update && apk add --upgrade asterisk
Are YOU affected by CVE-2023-49294?

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

CVE-2023-49294dropped 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. From $9/mo, 14-day free trial, cancel anytime.

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