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CVE-2026-73252 Mongoose: Unauthenticated remote heap out-of-bounds read in built-in TLS: off-by-one length check in mg_tls_recv_record() underflows recv_len to SIZE_MAX

🗓️ 14 Oct 2026 18:24:16Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

Unauthenticated remote heap out-of-bounds read in Mongoose built-in TLS causes DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Mongoose Heap Buffer Overflow DoS
20 Oct 202600:00
–bdu_fstec
circl
Circl
CVE-2026-73252
14 Oct 202623:42
–circl
cve
CVE
CVE-2026-73252
14 Oct 202618:24
–cve
debiancve
Debian CVE
CVE-2026-73252
14 Oct 202618:24
–debiancve
euvd
EUVD
EUVD-2026-101596
14 Oct 202618:24
–euvd
mend
Mend
CVE-2026-73252
14 Oct 202618:24
–mend
nvd
NVD
CVE-2026-73252
14 Oct 202619:17
–nvd
osv_cve
osv_cve
CVE-2026-73252 Mongoose: Unauthenticated remote heap out-of-bounds read in built-in TLS: off-by-one length check in mg_tls_recv_record() underflows recv_len to SIZE_MAX
14 Oct 202618:24
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-73252
14 Oct 202619:17
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-73252
14 Oct 202619:17
–osv_ubuntu
Rows per page
[
  {
    "vendor": "cesanta",
    "product": "mongoose",
    "versions": [
      {
        "version": "< 7.23",
        "status": "affected"
      }
    ]
  }
]

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14 Oct 2026 18:24Current
CVSS 3.17.5
EPSS0.00376
SSVC
36