critical
CVE-2017-0898
ruby: Buffer underrun vulnerability in Kernel.sprintf
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.1CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat6.5CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
Trivy's own label is CRITICAL. Rated critical by NVD, Photon OS. Rated lower by Oracle (high), Red Hat (medium), Amazon (medium), Ubuntu (medium).
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 and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | ruby | 2.4.2-1.ph1 |
| Photon OS 2.0 | ruby | 2.4.2-1.ph2 |
| alpine 3.10 | ruby | 2.4.2-r0 |
| alpine 3.11 | ruby | 2.4.2-r0 |
| alpine 3.12 | ruby | 2.4.2-r0 |
| alpine 3.13 | ruby | 2.4.2-r0 |
| alpine 3.14 | ruby | 2.4.2-r0 |
| alpine 3.15 | ruby | 2.4.2-r0 |
| alpine 3.16 | ruby | 2.4.2-r0 |
| alpine 3.17 | ruby | 2.4.2-r0 |
| alpine 3.18 | ruby | 2.4.2-r0 |
| alpine 3.19 | ruby | 2.4.2-r0 |
Show all 89 entries from 34 sources
| Source | Package | Fixed in |
|---|---|---|
| Photon OS 1.0 | ruby | 2.4.2-1.ph1 |
| Photon OS 2.0 | ruby | 2.4.2-1.ph2 |
| alpine 3.10 | ruby | 2.4.2-r0 |
| alpine 3.11 | ruby | 2.4.2-r0 |
| alpine 3.12 | ruby | 2.4.2-r0 |
| alpine 3.13 | ruby | 2.4.2-r0 |
| alpine 3.14 | ruby | 2.4.2-r0 |
| alpine 3.15 | ruby | 2.4.2-r0 |
| alpine 3.16 | ruby | 2.4.2-r0 |
| alpine 3.17 | ruby | 2.4.2-r0 |
| alpine 3.18 | ruby | 2.4.2-r0 |
| alpine 3.19 | ruby | 2.4.2-r0 |
| alpine 3.20 | ruby | 2.4.2-r0 |
| alpine 3.21 | ruby | 2.4.2-r0 |
| alpine 3.22 | ruby | 2.4.2-r0 |
| alpine 3.23 | ruby | 2.4.2-r0 |
| alpine 3.24 | ruby | 2.4.2-r0 |
| alpine 3.3 | ruby | 2.2.8-r0 |
| alpine 3.4 | ruby | 2.3.5-r0 |
| alpine 3.5 | ruby | 2.3.5-r0 |
| alpine 3.5 | ruby2.2 | 2.2.8-r0 |
| alpine 3.6 | ruby | 2.4.2-r0 |
| alpine 3.6 | ruby2.2 | 2.2.8-r0 |
| alpine 3.7 | ruby | 2.4.2-r0 |
| alpine 3.8 | ruby | 2.4.2-r0 |
| alpine 3.9 | ruby | 2.4.2-r0 |
| alpine edge | ruby | 2.4.2-r0 |
| amazon linux 1 | ruby22 | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby22-debuginfo | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby22-devel | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby22-doc | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby22-irb | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby22-libs | 2.2.8-1.9.amzn1 |
| amazon linux 1 | ruby23 | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby23-debuginfo | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby23-devel | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby23-doc | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby23-irb | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby23-libs | 2.3.5-1.17.amzn1 |
| amazon linux 1 | ruby24 | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | ruby24-debuginfo | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | ruby24-devel | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | ruby24-doc | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | ruby24-irb | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | ruby24-libs | 2.4.2-1.30.4.amzn1 |
| amazon linux 1 | rubygem22-bigdecimal | 1.2.6-1.9.amzn1 |
| amazon linux 1 | rubygem22-io-console | 0.4.3-1.9.amzn1 |
| amazon linux 1 | rubygem22-psych | 2.0.8.1-1.9.amzn1 |
| amazon linux 1 | rubygem23-bigdecimal | 1.2.8-1.17.amzn1 |
| amazon linux 1 | rubygem23-did_you_mean | 1.0.0-1.17.amzn1 |
| amazon linux 1 | rubygem23-io-console | 0.4.5-1.17.amzn1 |
| amazon linux 1 | rubygem23-json | 1.8.3.1-1.17.amzn1 |
| amazon linux 1 | rubygem23-psych | 2.1.0.1-1.17.amzn1 |
| amazon linux 1 | rubygem24-bigdecimal | 1.3.0-1.30.4.amzn1 |
| amazon linux 1 | rubygem24-did_you_mean | 1.1.0-1.30.4.amzn1 |
| amazon linux 1 | rubygem24-io-console | 0.4.6-1.30.4.amzn1 |
| amazon linux 1 | rubygem24-json | 2.0.4-1.30.4.amzn1 |
| amazon linux 1 | rubygem24-psych | 2.2.2-1.30.4.amzn1 |
| amazon linux 1 | rubygem24-xmlrpc | 0.2.1-1.30.4.amzn1 |
| amazon linux 1 | rubygems22 | 2.4.5.2-1.9.amzn1 |
| amazon linux 1 | rubygems22-devel | 2.4.5.2-1.9.amzn1 |
| amazon linux 1 | rubygems23 | 2.5.2.1-1.17.amzn1 |
| amazon linux 1 | rubygems23-devel | 2.5.2.1-1.17.amzn1 |
| amazon linux 1 | rubygems24 | 2.6.13-1.30.4.amzn1 |
| amazon linux 1 | rubygems24-devel | 2.6.13-1.30.4.amzn1 |
| debian 7 | ruby1.8 | 1.8.7.358-7.1+deb7u4 |
| debian 7 | ruby1.9.1 | 1.9.3.194-8.1+deb7u6 |
| debian 8 | ruby2.1 | 2.1.5-2+deb8u4 |
| debian 9 | ruby2.3 | 2.3.3-1+deb9u2 |
| Oracle Linux 7 | ruby | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | ruby-devel | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | ruby-doc | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | ruby-irb | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | ruby-libs | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | ruby-tcltk | 2.0.0.648-33.el7_4 |
| Oracle Linux 7 | rubygem-bigdecimal | 1.2.0-33.el7_4 |
| Oracle Linux 7 | rubygem-io-console | 0.4.2-33.el7_4 |
| Oracle Linux 7 | rubygem-json | 1.7.7-33.el7_4 |
| Oracle Linux 7 | rubygem-minitest | 4.3.2-33.el7_4 |
| Oracle Linux 7 | rubygem-psych | 2.0.0-33.el7_4 |
| Oracle Linux 7 | rubygem-rake | 0.9.6-33.el7_4 |
| Oracle Linux 7 | rubygem-rdoc | 4.0.0-33.el7_4 |
| Oracle Linux 7 | rubygems | 2.0.14.1-33.el7_4 |
| Oracle Linux 7 | rubygems-devel | 2.0.14.1-33.el7_4 |
| ubuntu 14.04 | ruby1.9.1 | 1.9.3.484-2ubuntu1.5 |
| ubuntu 14.04 | ruby2.0 | 2.0.0.484-1ubuntu2.10 |
| ubuntu 16.04 | ruby2.3 | 2.3.1-2~16.04.10 |
| ubuntu 16.04-ESM | ruby2.3 | 2.3.1-2~16.04.10 |
| ubuntu 17.10 | ruby2.3 | 2.3.3-1ubuntu1.6 |
References
- http://www.securityfocus.com/bid/100862
- http://www.securitytracker.com/id/1039363
- https://access.redhat.com/errata/RHSA-2017:3485
- https://access.redhat.com/errata/RHSA-2018:0378
- https://access.redhat.com/errata/RHSA-2018:0583
- https://access.redhat.com/errata/RHSA-2018:0585
- https://access.redhat.com/security/cve/CVE-2017-0898
- https://github.com/mruby/mruby/issues/3722
All 20 references
- https://hackerone.com/reports/212241
- https://linux.oracle.com/cve/CVE-2017-0898.html
- https://linux.oracle.com/errata/ELSA-2018-0378.html
- https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html
- https://nvd.nist.gov/vuln/detail/CVE-2017-0898
- https://security.gentoo.org/glsa/201710-18
- https://ubuntu.com/security/notices/USN-3439-1
- https://ubuntu.com/security/notices/USN-3685-1
- https://usn.ubuntu.com/3685-1/
- https://www.cve.org/CVERecord?id=CVE-2017-0898
- https://www.debian.org/security/2017/dsa-4031
- https://www.ruby-lang.org/en/news/2017/09/14/sprintf-buffer-underrun-cve-2017-0898/