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CVE-2026-88830 Busybox: busybox: tls montgomery reduction allocates bytes instead of digits, causing a pre-auth heap buffer overflow

🗓️ 23 Sep 2026 17:04:57Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Pre-auth heap buffer overflow in Busybox tls montgomery reduction via ClientKeyExchange.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-88830
24 Sep 202620:02
–circl
cve
CVE
CVE-2026-88830
23 Sep 202617:04
–cve
debiancve
Debian CVE
CVE-2026-88830
23 Sep 202617:04
–debiancve
euvd
EUVD
EUVD-2026-85425
23 Sep 202617:04
–euvd
mend
Mend
CVE-2026-88830
23 Sep 202617:04
–mend
nvd
NVD
CVE-2026-88830
23 Sep 202617:17
–nvd
opensuse
OPENSUSE Linux
busybox-1.38.0-3.1 on GA media (moderate)
7 Oct 202600:00
–opensuse
osv_debian
osv_debian
DEBIAN-CVE-2026-88830
23 Sep 202617:17
–osv_debian
osv_echo
osv_echo
ECHO-CDC3-3B65-F4A0
25 Sep 202621:15
–osv_echo
osv_opensuse
osv_opensuse
OPENSUSE-SU-2026:11954-1 busybox-1.38.0-3.1 on GA media
2 Oct 202600:00
–osv_opensuse
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "busybox",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  }
]

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