CVE-2017-0898
CRITICAL9.1EPSS 1.4%ruby2.3 - security update
Published: 9/26/2017Modified: 3/9/2026
Description
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.
Affected packages (4)
- Alpine/rubyfrom 0, < 2.4.2-r0
- Debian/ruby1.8from 0, < 1.8.7.358-7.1+deb7u4
- Debian/ruby1.9.1from 0, < 1.9.3.194-8.1+deb7u6
- Debian/ruby2.3from 0, < 2.3.3-1+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |