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Oj: Integer Overflow in Oj.load 2GB String Handling

🗓️ 19 Jun 2026 20:47:31Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 11 Views

Oj.load can crash and corrupt the heap when parsing strings over two gigabytes due to integer overflow in string appending and escape handling.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Chainguard
CVE-2026-54903 vulnerabilities
26 Jun 202620:23
cgr
Circl
CVE-2026-54903
1 Jul 202602:33
circl
CVE
CVE-2026-54903
30 Jun 202623:42
cve
Cvelist
CVE-2026-54903 Oj: Integer Overflow in Oj.load 2GB String Handling
30 Jun 202623:42
cvelist
Debian CVE
CVE-2026-54903
30 Jun 202623:42
debiancve
EUVD
EUVD-2026-40858
30 Jun 202623:42
euvd
NVD
CVE-2026-54903
1 Jul 202600:16
nvd
OSV
CGA-FCWG-CF6C-5VPC
26 Jun 202618:18
osv
OSV
DEBIAN-CVE-2026-54903
1 Jul 202600:16
osv
OSV
GHSA-475M-PH3X-64GP Oj: Integer Overflow in Oj.load 2GB String Handling
19 Jun 202620:47
osv
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shawonruetruet_ojRange<3.17.2rubygems

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19 Jun 2026 20:47Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
EPSS0.00253
SSVC
11