CVE-2018-21027 json
Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.
published 2019-10-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13549
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.4%
- EPSS 2.4% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
Boa through 0.94.14rc21 allows remote attackers to trigger an out-of-memory (OOM) condition because malloc is mishandled.
Patch / fix
- github.com/gpg/boa#1 commit
- github.com/gpg/boa#1 pull request
Exploit prediction
2.37% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
github.com
/gpg/boa/pull/1
third-party-advisory
-
github.com
/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e
patch, third-party-advisory
Sources
- CVE List CVE-2018-21027
- NVD CVE-2018-21027
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