Lucene search
+L

CVE-2026-1979

🗓️ 06 Feb 2026 05:16:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 22 Views

Local use-after-free in VM execution for JumpNot-to-JumpIf optimization in the Ruby interpreter up to 3.4.0.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-1979
6 Feb 202604:32
–attackerkb
cnnvd
CNNVD
MRuby resource management error vulnerability
6 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-1979
6 Feb 202604:32
–cve
cvelist
Cvelist
CVE-2026-1979 mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
6 Feb 202604:32
–cvelist
debiancve
Debian CVE
CVE-2026-1979
6 Feb 202604:32
–debiancve
euvd
EUVD
EUVD-2026-5583
6 Feb 202604:32
–euvd
mend
Mend
CVE-2026-1979
6 Feb 202604:32
–mend
nvd
NVD
CVE-2026-1979
6 Feb 202605:16
–nvd
osv_cve
osv_cve
CVE-2026-1979 mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free
6 Feb 202604:32
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-1979
6 Feb 202605:16
–osv_debian
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu26.04allmruby0mruby_0_all.deb
Ubuntu18.04allmruby0mruby_0_all.deb
Ubuntu20.04allmruby0mruby_0_all.deb
Ubuntu22.04allmruby0mruby_0_all.deb
Ubuntu24.04allmruby0mruby_0_all.deb
Ubuntu16.04allmruby0mruby_0_all.deb
Ubuntu26.10allmruby0mruby_0_all.deb

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

26 Oct 2026 19:56Current
4.8Medium risk
Vulners AI Score4.8
CVSS 3.15.3 - 5.5
CVSS 24.3
CVSS 44.8
CVSS 35.3
EPSS0.00179
SSVC
22