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CVE-2018-17072

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

9.8 Critical

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.60%Up 1.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

Record
CVE-2018-17072
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

Record
CVE-2018-17072
Updated
2026-11-02
EUVDEUVD-2018-8853 No score

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

Record
EUVD-2018-8853
Updated
2026-11-03
GitHub AdvisoriesGHSA-g544-5jqq-vgcm 9.8

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

JSON++ through 2016-06-15 has a buffer over-read in yyparse() in json.y.

Record
GHSA-g544-5jqq-vgcm
CVSS 3.0
9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-125
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-17072 is a critical vulnerability (CVSS 9.8) in Json\+\+ Project Json\+\+, published September 16, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.60%, the 75th percentile. No source names a fixed version.

References

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