Debian bookworm
Source: Debian Security Tracker
ujson→ fixed in5.4.0-1urgency: not yet assignedsudo apt-get install --only-upgrade -y ujson
Back to CVE digest
CVE-2022-31116 · cross-distro fix matrix
CVE-2022-31116: UltraJSON is a fast JSON encoder and decoder written in pure C with bindings for Python 3.7+. Affected versions were found to improperly decode certain characters. JSON strings that contain escaped surrogate characters not part of a proper surrogate pair were decoded incorrectly. Besides corrupting
Affects 7 Linux releases across 7 (distro × package) combinations.
Fix per ecosystem
Each block below is a distro release where CVE-2022-31116 has a known fix. Run the listed command on that distro to remediate.
Debian trixie
Source: Debian Security Tracker
ujson→ fixed in5.4.0-1urgency: not yet assignedsudo apt-get install --only-upgrade -y ujson
Alpine v3.20
Source: Alpine secdb
py3-ujson→ fixed in5.4.0-r0apk update && apk add --upgrade py3-ujson
Alpine v3.21
Source: Alpine secdb
py3-ujson→ fixed in5.4.0-r0apk update && apk add --upgrade py3-ujson
Alpine edge
Source: Alpine secdb
py3-ujson→ fixed in5.4.0-r0apk update && apk add --upgrade py3-ujson
Alpine v3.18
Source: Alpine secdb
py3-ujson→ fixed in5.4.0-r0apk update && apk add --upgrade py3-ujson
Alpine v3.19
Source: Alpine secdb
py3-ujson→ fixed in5.4.0-r0apk update && apk add --upgrade py3-ujson
Are YOU affected by CVE-2022-31116?
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-2022-31116dropped 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.
See StackPatch ($99 lifetime)