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CVE-2024-34250

18
FAUCET Score

CVE-2024-34250 is a heap buffer overflow vulnerability in Bytecode Alliance wasm-micro-runtime v2.0.0, specifically within the "wasm_loader_check_br" function. This flaw allows a remote attacker to trigger a denial of service. With a CVSS score of 6.2 (MEDIUM), it has a low attack complexity and requires no user interaction, but its impact is limited to availability. Currently, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:2.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.2MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.5
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 36th percentile among its peer group of 3,052 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia msrc
Product: 17326-16823Fixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: 19787-17086Fixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: 17732-17084Fixed in: 3.0.6-1
microsoftpatch availablevia msrc
Product: 19445-17084Fixed in: 3.0.6-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 3.0.6-1
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 3.0.6-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: cbl2 fluent-bit 2.2.3-1 on CBL Mariner 2.0Fixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: cbl2 fluent-bit 3.0.6-2 on CBL Mariner 2.0Fixed in: 2.2.3-1
microsoftpatch availablevia msrc
Product: azl3 fluent-bit 3.0.6-1 on Azure Linux 3.0Fixed in: 3.0.6-1
microsoftpatch availablevia msrc
Product: azl3 fluent-bit 3.1.9-4 on Azure Linux 3.0Fixed in: 3.0.6-1

Vendor Advisories (2)

microsoft2024-Oct/CVE-2024-34250

CVE-2024-34250

Oct 8, 2024
microsoft2024-May/CVE-2024-34250Moderate

A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwasm/interpreter/wasm_loader.c.

May 14, 2024

References

github.com / bytecodealliance/wasm-micro-runtime/issues/3346
ExploitIssue Tracking