CVE-2024-27528 json
pywasm3 has an Invalid Memory Read, Leading to DoS and Potential Code Execution
published 2y ago modified 4mo ago also GHSA-mhg9-mm8c-c683 , PYSEC-2024-304 , EUVD-2024-24724
- cvss
- 8.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
wasm3 139076a suffers from Invalid Memory Read, leading to DoS and potential Code Execution.
Is CVE-2024-27528 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/wasm3/wasm3/issues/463 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | pywasm3 | <=0.5.0 <=139076a |
no fix listed |
Affected products
- wasm3_project wasm3
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
github.com
/wasm3/wasm3/issues/463
web, exploit, issue-tracking, report
-
gist.github.com
/haruki3hhh/baa757c4af4fefb410d9c74d7a68152e
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2024-27528
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2024-304.yaml
web
-
github.com
/wasm3/pywasm3
package
-
github.com
/wasm3/pywasm3/blob/main/wasm3/m3_exec.h
web
-
github.com
/advisories/GHSA-mhg9-mm8c-c683
advisory
Sources
- CVE List CVE-2024-27528
- GitHub Advisory GHSA-mhg9-mm8c-c683
- NVD CVE-2024-27528
- OSV PYSEC-2024-304
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.