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Medium 6.9Published Jan 27, 2026

CVE-2026-24797An out of bounds write due to a missing bounds check in neka-nat/cupoch

Updated under an hour ago ()

Does this affect you?

It affects neka-nat cupoch. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Out-of-bounds Write vulnerability in neka-nat cupoch (third_party/libjpeg-turbo/libjpeg-turbo modules). This vulnerability is associated with program files tjbench.C. This issue affects cupoch.

CVSS
6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/AU:Y/R:A/RE:M/U:Amber
Weakness (CWE)
CWE-787
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
GovTech CSG
NVD analysis
Deferred
Record last updated
Jan 27, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
neka-nat cupoch
neka_nat:cupoch (from the name)
before v0.2.11.0
CNA record

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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