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CVE-2026-89087

🗓️ 10 Sep 2026 20:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 20 Views

cstruct before 6.3.0 for OCaml mishandles indexes on unix.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89087
10 Sep 202619:55
–cve
cvelist
Cvelist
CVE-2026-89087
10 Sep 202619:55
–cvelist
debiancve
Debian CVE
CVE-2026-89087
10 Sep 202619:55
–debiancve
euvd
EUVD
EUVD-2026-75709
10 Sep 202619:55
–euvd
nvd
NVD
CVE-2026-89087
10 Sep 202620:17
–nvd
osv-debian
osv-debian
DEBIAN-CVE-2026-89087
10 Sep 202620:17
–osv-debian
osv-osec
osv-osec
OSEC-2026-20 Cstruct indexing bugs can corrupt filtered output and reverse parsing results
10 Sep 202610:00
–osv-osec
osv-ubuntu
osv-ubuntu
UBUNTU-CVE-2026-89087
10 Sep 202620:17
–osv-ubuntu
ptsecurity
Positive Technologies
PT-2026-89583
10 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-89087: Improper Following of Specification by Caller
10 Sep 202600:00
–rapid7
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04allocaml-cstruct0ocaml-cstruct_0_all.deb
Ubuntu24.04allocaml-cstruct0ocaml-cstruct_0_all.deb
Ubuntu26.04allocaml-cstruct0ocaml-cstruct_0_all.deb

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16 Sep 2026 18:46Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.3
EPSS0.00318
SSVC
20