What is CVE-2018-21028?
Boa through 0.94.14rc21 allows remote attackers to trigger a memory leak because of missing calls to the free function.
The record classifies CVE-2018-21028 under weakness class CWE-772. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 2558 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.5 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS (FIRST)
- 2.0% probability of exploitation in the next 30 days, higher than 80.8% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2019-10-11, last modified 2024-08-05
Is CVE-2018-21028 being exploited?
It currently carries a trending score of 25 in the Threadlinqs vulnerability feed.
Affected products and versions
- Boa: Boa
How to fix CVE-2018-21028
The record marks a vendor fix as available for CVE-2018-21028. Patch reference: https://github.com/gpg/boa/pull/1/commits/e139b87835994d007fbd64eead6c1455d7b8cf4e. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2018-21028
1 tracked threat in the Threadlinqs corpus references CVE-2018-21028, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.