CVE-2026-24797

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

CVSS 6.9 MEDIUMEPSS 0.3%CWE-787

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.9EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

27 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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: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

Affected products

neka-nat · cupoch

References

https://github.com/neka-nat/cupoch/pull/138