7.8

CVE-2026-2016

Exploit

happyfish100 libfastcommon base64.c base64_decode stack-based overflow

A security vulnerability has been detected in happyfish100 libfastcommon up to 1.0.84. Affected by this vulnerability is the function base64_decode of the file src/base64.c. The manipulation leads to stack-based buffer overflow. Local access is required to approach this attack. The exploit has been disclosed publicly and may be used. The identifier of the patch is 82f66af3e252e3e137dba0c3891570f085e79adf. Applying a patch is the recommended action to fix this issue.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Happyfish100 ≫ Libfastcommon Version <= 1.0.84
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.26% 0.17
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
cna@vuldb.com 1.9 0 0
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
cna@vuldb.com 5.3 1.8 3.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
cna@vuldb.com 4.3 3.1 6.4
AV:L/AC:L/Au:S/C:P/I:P/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://vuldb.com/?id.344598
Third Party Advisory
VDB Entry
https://vuldb.com/?ctiid.344598
VDB Entry
Permissions Required
https://vuldb.com/?submit.743873
Third Party Advisory
VDB Entry
https://github.com/happyfish100/libfastcommon/issues/55
Vendor Advisory
Exploit
https://github.com/happyfish100/libfastcommon/issues/55#issuecomment-3776757848
Vendor Advisory
Exploit
https://github.com/happyfish100/libfastcommon/issues/55#issue-3836362577
Vendor Advisory
Exploit
https://github.com/happyfish100/libfastcommon/commit/82f66af3e252e3e137dba0c3891570f085e79adf
Patch
https://github.com/happyfish100/libfastcommon/
Product