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CVE-2026-87121

🗓️ 22 Sep 2026 19:48:25Reported by Debian Security Bug TrackerType 
debiancve
 debiancve
🔗 security-tracker.debian.org👁 18 Views

Out-of-bounds write in lwIP TCP/IP Stack MQTT enables code execution on unix.

Related
Packages
ReporterTitlePublishedViews
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
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
–osv
osv
OSV
UBUNTU-CVE-2026-87121
22 Sep 202620:17
–osv
ptsecurity
Positive Technologies
PT-2026-97024
22 Sep 202600:00
–ptsecurity
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Debian12alllwip2.1.3+dfsg1-2lwip_2.1.3+dfsg1-2_all.deb
Debian13alllwip2.2.1+dfsg1-1+deb13u1lwip_2.2.1+dfsg1-1+deb13u1_all.deb
Debian14alllwip2.2.1+dfsg1-8lwip_2.2.1+dfsg1-8_all.deb
Debian999alllwip2.2.1+dfsg1-8lwip_2.2.1+dfsg1-8_all.deb

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22 Sep 2026 19:48Current
6.2Medium risk
Vulners AI Score6.2
CVSS 49.3
CVSS 3.19.8
EPSS0.00528
SSVC
18