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Vulnerability · Published Oct 6, 2020 · Assigned by mitre

CVE-2020-26575

High 7.5

In plain English

A high-severity security flaw in the wireshark package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.5High
Exploit odds (30 days)3.1%top 12.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20wireshark3.4.0-r0ALPINE-CVE-2020-26575
Alpine:v3.21wireshark3.4.0-r0ALPINE-CVE-2020-26575
Alpine:v3.22wireshark3.4.0-r0ALPINE-CVE-2020-26575
Alpine:v3.23wireshark3.4.0-r0ALPINE-CVE-2020-26575
Alpine:v3.24wireshark3.4.0-r0ALPINE-CVE-2020-26575
Debian:12wireshark3.2.8-0.1DEBIAN-CVE-2020-26575
Debian:13wireshark3.2.8-0.1DEBIAN-CVE-2020-26575
Debian:14wireshark3.2.8-0.1DEBIAN-CVE-2020-26575

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References