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CVE-2026-121997

🗓️ 05 Nov 2026 16:08:54Reported by MendType 
mend
 mend
🔗 www.mend.io👁 4 Views

Unauthenticated remote code execution in gdbserver via a heap buffer overflow.

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Refs
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Family
circl
Circl
CVE-2026-121997
5 Nov 202616:26
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cnnvd
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Bet4 gdbserver buffer error vulnerability
5 Nov 202600:00
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cve
CVE
CVE-2026-121997
5 Nov 202616:08
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cvelist
Cvelist
CVE-2026-121997 Gdb: gdbserver: heap buffer overflow in cmd_qtdpsrc via qtdpsrc declared/actual length mismatch
5 Nov 202616:08
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debiancve
Debian CVE
CVE-2026-121997
6 Nov 202614:50
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euvd
EUVD
EUVD-2026-117574
5 Nov 202616:08
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nvd
NVD
CVE-2026-121997
5 Nov 202617:18
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osv_debian
osv_debian
DEBIAN-CVE-2026-121997
5 Nov 202617:18
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osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-121997
6 Nov 202600:00
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ptsecurity
Positive Technologies
PT-2026-137548
5 Nov 202600:00
–ptsecurity
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09 Nov 2026 11:18Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.18.1
CVSS 49.2
EPSS0.0071
SSVC
4