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CVE-2026-121944 sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLV

🗓️ 04 Nov 2026 12:31:21Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Infinite loop DoS in sngrep capture_packet_reasm_ip() via crafted NFLOG TLVs.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-121944
4 Nov 202612:40
–circl
cve
CVE
CVE-2026-121944
4 Nov 202612:31
–cve
euvd
EUVD
EUVD-2026-116901
4 Nov 202612:31
–euvd
mend
Mend
CVE-2026-121944
4 Nov 202612:31
–mend
nvd
NVD
CVE-2026-121944
4 Nov 202613:17
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-121944
4 Nov 202600:00
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-136964
4 Nov 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-121944: irontec sngrep: sngrep through 1.9.0 contains an infinite loop vulnerability in capture_packet_reasm_ip() in src/capture.c that allows…
4 Nov 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-121944
4 Nov 202614:05
–redhatcve
susecve
SUSE CVE
SUSE CVE-2026-121944
5 Nov 202617:29
–susecve
Rows per page
[
  {
    "vendor": "irontec",
    "product": "sngrep",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "1.9.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:github/irontec/sngrep",
    "repo": "https://github.com/irontec/sngrep"
  }
]

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04 Nov 2026 12:31Current
CVSS 3.15.5
CVSS 46.8
EPSS0.00237
SSVC
19