CVE-2025-6274 | THREATINT

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

Es wurde eine problematische Schwachstelle in WebAssembly wabt bis 1.0.37 ausgemacht. Dabei betrifft es die Funktion OnDataCount der Datei src/interp/binary-reader-interp.cc. Durch das Beeinflussen mit unbekannten Daten kann eine resource consumption-Schwachstelle ausgenutzt werden. Der Angriff hat dabei lokal zu erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-19 | Published 2025-06-19 | Updated 2025-06-19 | Assigner VulDB

MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Resource Consumption

Denial of Service

Product status

1.0.0

affected

1.0.1

affected

1.0.2

affected

1.0.3

affected

1.0.4

affected

1.0.5

affected

1.0.6

affected

1.0.7

affected

1.0.8

affected

1.0.9

affected

1.0.10

affected

1.0.11

affected

1.0.12

affected

1.0.13

affected

1.0.14

affected

1.0.15

affected

1.0.16

affected

1.0.17

affected

1.0.18

affected

1.0.19

affected

1.0.20

affected

1.0.21

affected

1.0.22

affected

1.0.23

affected

1.0.24

affected

1.0.25

affected

1.0.26

affected

1.0.27

affected

1.0.28

affected

1.0.29

affected

1.0.30

affected

1.0.31

affected

1.0.32

affected

1.0.33

affected

1.0.34

affected

1.0.35

affected

1.0.36

affected

1.0.37

affected

Timeline

2025-06-19:	Advisory disclosed
2025-06-19:	VulDB entry created
2025-06-19:	VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

vuldb.com/?id.313278 (VDB-313278 | WebAssembly wabt binary-reader-interp.cc OnDataCount resource consumption) vdb-entry technical-description

vuldb.com/?ctiid.313278 (VDB-313278 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.593016 (Submit #593016 | WebAssembly wabt wabt 1.0.37 (commit a60eb26) Uncontrolled Memory Allocation) third-party-advisory

github.com/WebAssembly/wabt/issues/2598 issue-tracking

github.com/user-attachments/files/20191325/wabt_crash_4.txt exploit

cve.org (CVE-2025-6274)

nvd.nist.gov (CVE-2025-6274)

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