CVE-2026-88369 zserge jsmn - Buffer Overflow

zserge jsmn contains a buffer overflow caused by improper handling in example/jsondump.c dump() function, letting attackers cause memory corruption, exploit requires crafted input.

CVSS base score 7.3 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.24% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Buffer Overflow
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-125

Vendor fix

Update to the latest version with the buffer overflow fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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