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CVE-2026-87121

🗓️ 09 Oct 2026 06:16:48Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 3 Views

Remote code execution or DoS in lwIP's MQTT client via malformed fixed headers.

Related
Refs
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Family
circl
Circl
CVE-2026-87121
22 Sep 202616:15
–circl
cve
CVE
CVE-2026-87121
22 Sep 202619:48
–cve
cvelist
Cvelist
CVE-2026-87121 Out-of-bounds write in lwIP TCP/IP Stack MQTT Client Application
22 Sep 202619:48
–cvelist
debiancve
Debian CVE
CVE-2026-87121
22 Sep 202619:48
–debiancve
euvd
EUVD
EUVD-2026-84816
22 Sep 202619:48
–euvd
ics
ICS
lwIP TCP/IP Stack MQTT Client Application
22 Sep 202606:00
–ics
mend
Mend
CVE-2026-87121
22 Sep 202619:48
–mend
nvd
NVD
CVE-2026-87121
22 Sep 202620:17
–nvd
osv
OSV
DEBIAN-CVE-2026-87121
22 Sep 202620:17
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osv
OSV
UBUNTU-CVE-2026-87121
22 Sep 202620:17
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09 Oct 2026 06:16Current
6.4Medium risk
Vulners AI Score6.4
CVSS 49.3
CVSS 3.19.8
EPSS0.00528
SSVC
3