CVE-2018-21028 json
Boa through 0.94.14rc21 allows remote attackers to trigger a memory leak because of missing calls to the free function.
published 2019-10-11 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-13550
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Boa through 0.94.14rc21 allows remote attackers to trigger a memory leak because of missing calls to the free function.
Patch / fix
- github.com/gpg/boa#1 commit
- github.com/gpg/boa#1 pull request
Exploit prediction
2.07% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-772 Missing Release of Resource after Effective Lifetime
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-2018-21028
- NVD CVE-2018-21028
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.