Medium severity5.3OSV Advisory· Published Jan 9, 2025· Updated Jun 17, 2026
CVE-2023-28120
CVE-2023-28120
Description
There is a vulnerability in ActiveSupport if the new bytesplice method is called on a SafeBuffer with untrusted user input.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
activesupportRubyGems | >= 7.0.0, < 7.0.4.3 | 7.0.4.3 |
activesupportRubyGems | < 6.1.7.3 | 6.1.7.3 |
Affected products
28- Range: v0.10.0, v0.10.1, v0.11.0, …
- ghsa-coords27 versionspkg:gem/activesupportpkg:rpm/opensuse/rmt-server&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/rmt-server&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/rmt-server&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/rubygem-activesupport-7.0&distro=openSUSE%20Tumbleweedpkg:rpm/suse/rmt-server&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/rmt-server&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP2pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP4pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP5pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/rmt-server&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/rmt-server&distro=SUSE%20Manager%20Proxy%204.2pkg:rpm/suse/rmt-server&distro=SUSE%20Manager%20Server%204.2
>= 7.0.0, < 7.0.4.3+ 26 more
- (no CPE)range: >= 7.0.0, < 7.0.4.3
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.12-1.1
- (no CPE)range: < 7.0.4.3-1.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.13-150400.3.12.1
- (no CPE)range: < 2.13-150500.3.3.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150100.3.45.1
- (no CPE)range: < 2.13-150200.3.32.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
- (no CPE)range: < 2.13-150300.3.24.1
Patches
Vulnerability mechanics
References
12- github.com/advisories/GHSA-pj73-v5mw-pm9jghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-28120ghsaADVISORY
- discuss.rubyonrails.org/t/cve-2023-28120-possible-xss-security-vulnerability-in-safebuffer-bytesplice/82469nvdWEB
- github.com/rails/rails/commit/3cf23c3f891e2e81c977ea4ab83b62bc2a444b70nvdWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2023-28120.ymlghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPV6PVCX4VDJHLFFT42EXBBSGAWZICOWghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZE5W4MH6IE4DV7GELDK6ISCSTFLHKSYOghsaWEB
- security.netapp.com/advisory/ntap-20240202-0006ghsaWEB
- www.debian.org/security/2023/dsa-5389nvdWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UPV6PVCX4VDJHLFFT42EXBBSGAWZICOW/nvd
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZE5W4MH6IE4DV7GELDK6ISCSTFLHKSYO/nvd
- security.netapp.com/advisory/ntap-20240202-0006/nvd
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