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Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback

🗓️ 19 Jun 2026 20:47:28Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 29 Views

Use-after-free in Oj::Parser SAJ mode when long keys are GC'ed during a callback, causing a segfault.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
Exploit for CVE-2026-54900
25 Jul 202608:42
–githubexploit
cgr
Chainguard
CVE-2026-54902 vulnerabilities
26 Jun 202620:23
–cgr
circl
Circl
CVE-2026-54902
1 Jul 202602:22
–circl
cve
CVE
CVE-2026-54902
30 Jun 202623:40
–cve
cvelist
Cvelist
CVE-2026-54902 Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback
30 Jun 202623:40
–cvelist
debian
Debian
[SECURITY] [DLA-4803-1] ruby-oj security update
30 Sep 202623:22
–debian
debian
Debian
[SECURITY] [DSA 6521-1] ruby-oj security update
27 Sep 202617:30
–debian
debiancve
Debian CVE
CVE-2026-54902
30 Jun 202623:40
–debiancve
nessus
Tenable Nessus
Debian dla-4803 : ruby-oj - security update
30 Sep 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 4.0: Rubygem PHSA-2026-4.0-1052
9 Jul 202600:00
–nessus
Rows per page
Vulners
Node
shawonruetruet_ojRange<3.17.2rubygems

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19 Jun 2026 20:47Current
6.1Medium risk
Vulners AI Score6.1
CVSS 46.3
EPSS0.00422
SSVC
29