CVE-2018-14337 · cross-distro fix matrix

CVE-2018-14337: The CHECK macro in mrbgems/mruby-sprintf/src/sprintf.c in mruby 1.4.1 contains a signed integer overflow, possibly leading to out-of-bounds memory access because the mrb_str_resize function in string.c does not check for a negative length.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-14337 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

mruby→ fixed in2.0.0-1urgency: low

sudo apt-get install --only-upgrade -y mruby

Debian bookworm

Source: Debian Security Tracker

mruby→ fixed in2.0.0-1urgency: low

sudo apt-get install --only-upgrade -y mruby

Debian trixie

Source: Debian Security Tracker

mruby→ fixed in2.0.0-1urgency: low

sudo apt-get install --only-upgrade -y mruby

Are YOU affected by CVE-2018-14337?

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

Form-based quickscan View on NVD

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