CVE-2018-5739

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Source
https://cve.org/CVERecord?id=CVE-2018-5739
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-5739.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-5739
Published
2019-01-16T20:29:00.940Z
Modified
2026-04-10T04:18:22.651792Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An extension to hooks capabilities which debuted in Kea 1.4.0 introduced a memory leak for operators who are using certain hooks library facilities. In order to support multiple requests simultaneously, Kea 1.4 added a callout handle store but unfortunately the initial implementation of this store does not properly free memory in every case. Hooks which make use of query4 or query6 parameters in their callouts can leak memory, resulting in the eventual exhaustion of available memory and subsequent failure of the server process. Affects Kea DHCP 1.4.0.

References

Affected packages

Git / gitlab.isc.org/isc-projects/kea

Affected ranges

Type
GIT
Repo
https://gitlab.isc.org/isc-projects/kea
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
adecd0b6b6f2967f3e6d4c2258e59af2b0767168
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.4.0"
        }
    ]
}

Affected versions

Kea-1.*
Kea-1.4.0
Other
eng_drop_01312017
fd4o6_base
fd_json_bench_base
fdfb_base
fdflex_base
fdfnv_base
fdppjson_base
fdxhook_base
ha_checkpoint3
ha_checkpoints12
kea-eng-20140313
kea5574_base
rt3470_base
sedhcpv6a_0
trac102_base
trac102a_base
trac102b_base
trac1205_base
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Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-5739.json"