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CVE-2025-2584

20
FAUCET Score

CVE-2025-2584 is a critical heap-based buffer overflow vulnerability affecting WebAssembly wabt version 1.0.36, specifically within the BinaryReaderInterp::GetReturnCallDropKeepCount function. This flaw can be exploited remotely, potentially leading to high impact on confidentiality and availability, although integrity is not affected. Despite the public disclosure of an exploit, the attack complexity is rated as high, and exploitation is considered difficult. Currently, there is no evidence of active exploitation, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.36CPE matchmatch criteria
cpe:2.3:a:webassembly:wabt:1.0.36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

2.3LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
VS Confidentiality
LOW
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.47%
Probability of exploitation in next 30 days
EPSS Percentile
38.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0047 is in the 56th percentile among its peer group of 705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: thunderbird
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: thunderbird:flatpak/thunderbird

Vendor Advisories (1)

redhatCVE-2025-2584Moderate

wabt: WebAssembly wabt binary-reader-interp.cc GetReturnCallDropKeepCount heap-based overflow

Mar 21, 2025

References

github.com / WebAssembly/wabt/issues/2557
ExploitIssue Tracking
github.com / WebAssembly/wabt/issues/2557
ExploitIssue Tracking
vuldb.com
Permissions RequiredVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry
vuldb.com
Third Party AdvisoryVDB Entry