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CVE-2022-23476 · cross-distro fix matrix

CVE-2022-23476: Nokogiri is an open source XML and HTML library for the Ruby programming language. Nokogiri `1.13.8` and `1.13.9` fail to check the return value from `xmlTextReaderExpand` in the method `Nokogiri::XML::Reader#attribute_hash`. This can lead to a null pointer exception when invalid markup is being par

Affects 7 Linux releases across 7 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-23476 has a known fix. Run the listed command on that distro to remediate.

Debian bookworm

Source: Debian Security Tracker

  • ruby-nokogiri→ fixed in1.13.10+dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ruby-nokogiri

Debian trixie

Source: Debian Security Tracker

  • ruby-nokogiri→ fixed in1.13.10+dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ruby-nokogiri

Alpine v3.20

Source: Alpine secdb

  • ruby-nokogiri→ fixed in1.13.10-r0
    apk update && apk add --upgrade ruby-nokogiri

Alpine v3.21

Source: Alpine secdb

  • ruby-nokogiri→ fixed in1.13.10-r0
    apk update && apk add --upgrade ruby-nokogiri

Alpine edge

Source: Alpine secdb

  • ruby-nokogiri→ fixed in1.13.10-r0
    apk update && apk add --upgrade ruby-nokogiri

Alpine v3.18

Source: Alpine secdb

  • ruby-nokogiri→ fixed in1.13.10-r0
    apk update && apk add --upgrade ruby-nokogiri

Alpine v3.19

Source: Alpine secdb

  • ruby-nokogiri→ fixed in1.13.10-r0
    apk update && apk add --upgrade ruby-nokogiri
Are YOU affected by CVE-2022-23476?

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-2022-23476dropped 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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