CVE-2020-26418 — Missing Release of Memory after Effective Lifetime in Wireshark

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-770 — Allocation of Resources Without Limits or Throttling6 documents6 sources
Severity
5.3MEDIUMNVD
CNA3.1
EPSS
0.4%
top 38.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
WiresharkTHE Wireshark Foundation WiresharkDebian Linux+2 more
Timeline
PublishedDec 11
Latest updateMay 24

Description

Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

▶Debianwireshark/wireshark< 3.4.1-1+3
▶NVDwireshark/wireshark3.2.0 — 3.2.8+1
▶CVEListV5the_wireshark_foundation/wireshark3.4.0, >=3.2.0 to <3.2.9+1

Also affects: Debian Linux 9.0, Fedora 32, 33

Patches

Patch: www.oracle.com ↗Patch: www.oracle.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-63gq-cvv8-gc2g: Memory leak in Kafka protocol dissector in Wireshark 3↗2022-05-24
▶
OSV
CVE-2020-26418: Memory leak in Kafka protocol dissector in Wireshark 3↗2020-12-11
▶
CVEList
CVE-2020-26418: Memory leak in Kafka protocol dissector in Wireshark 3↗2020-12-11
▶

📋Vendor Advisories

2
Red Hat
wireshark: Kafka dissector memory leak (wnpa-sec-2020-16)↗2020-12-09
▶
Debian
CVE-2020-26418: wireshark - Memory leak in Kafka protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 al...↗2020
▶
CVE-2020-26418 — Wireshark vulnerability | cvebase