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CVE-2024-27532

25
FAUCET Score

CVE-2024-27532 affects bytecodealliance's WebAssembly Micro Runtime (WAMR) version 06df58f, stemming from a NULL Pointer Dereference vulnerability within the block_type_get_result_types function. This high-severity flaw (CVSS 7.5) allows an unauthenticated attacker to cause a denial of service with low attack complexity, as indicated by the AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H vector. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, suggesting a low immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.2CPE matchmatch criteria
cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.49%
Probability of exploitation in next 30 days
EPSS Percentile
39.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0049 is in the 18th percentile among its peer group of 51,551 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia msrc
Product: 17181-16823Fixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: 19787-17086Fixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: 17573-17084Fixed in: 3.1.9-2
microsoftpatch availablevia msrc
Product: 19445-17084Fixed in: 3.1.9-2
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 3.1.9-2
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 3.1.9-2
microsoftpatch availablevia msrc
Product: cbl2 fluent-bit 2.2.3-6 on CBL Mariner 2.0Fixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: cbl2 fluent-bit 3.0.6-2 on CBL Mariner 2.0Fixed in: 2.2.3-6
microsoftpatch availablevia msrc
Product: azl3 fluent-bit 3.1.9-2 on Azure Linux 3.0Fixed in: 3.1.9-2
microsoftpatch availablevia msrc
Product: azl3 fluent-bit 3.1.9-4 on Azure Linux 3.0Fixed in: 3.1.9-2

Vendor Advisories (2)

microsoft2024-Dec/CVE-2024-27532

CVE-2024-27532

Dec 10, 2024
microsoft2024-Nov/CVE-2024-27532Important

wasm-micro-runtime (aka WebAssembly Micro Runtime or WAMR) 06df58f is vulnerable to NULL Pointer Dereference in function `block_type_get_result_types.

Nov 12, 2024

References

gist.github.com / haruki3hhh/e468ac3b3234f9bc42a9cc367457119a
Third Party Advisory
github.com / bytecodealliance/wasm-micro-runtime/issues/3130
ExploitIssue Tracking