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CVE-2026-121969 netrek-client-cow through 3.3.3 Stack Buffer Overflow via handleSMessage

🗓️ 04 Nov 2026 20:36:47Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Stack buffer overflow in netrek-client-cow handleSMessage() via oversized SP_S_MESSAGE.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-121969
4 Nov 202620:46
–circl
cve
CVE
CVE-2026-121969
4 Nov 202620:36
–cve
euvd
EUVD
EUVD-2026-117080
4 Nov 202620:36
–euvd
mend
Mend
CVE-2026-121969
4 Nov 202620:36
–mend
nvd
NVD
CVE-2026-121969
4 Nov 202621:18
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-121969
5 Nov 202600:00
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-137145
4 Nov 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-121969: quozl netrek-client-cow: netrek-client-cow through 3.3.3 contains a stack-based buffer overflow vulnerability in handleSMessage() in short.c…
4 Nov 202600:00
–rapid7
ubuntucve
UbuntuCve
CVE-2026-121969
5 Nov 202600:00
–ubuntucve
[
  {
    "vendor": "quozl",
    "product": "netrek-client-cow",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "3.3.3",
        "versionType": "custom"
      }
    ]
  }
]

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04 Nov 2026 20:36Current
CVSS 3.16.5
CVSS 47.1
EPSS0.00344
SSVC
19