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CVE-2026-54901 Oj: Use-After-Free in Oj::Parser array_class/hash_class GC Marking

🗓️ 30 Jun 2026 23:36:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Use after free in Oj Parser during garbage collection when array class and hash class are unmarked; fixed in three point seventeen point two.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-54901 vulnerabilities
26 Jun 202620:23
–cgr
circl
Circl
CVE-2026-54901
1 Jul 202602:20
–circl
cve
CVE
CVE-2026-54901
30 Jun 202623:36
–cve
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-2026-54901
30 Jun 202623:36
–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
nessus
Tenable Nessus
Photon OS 5.0: Rubygem PHSA-2026-5.0-0917
9 Jul 202600:00
–nessus
nessus
Tenable Nessus
Photon OS 5.0: Rubygem PHSA-2026-5.0-92-0917
5 Aug 202600:00
–nessus
Rows per page
[
  {
    "vendor": "ohler55",
    "product": "oj",
    "versions": [
      {
        "version": "< 3.17.2",
        "status": "affected"
      }
    ]
  }
]

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30 Jun 2026 23:36Current
CVSS 46.3
EPSS0.00333
SSVC
55