CVE-2020-11647

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-11647

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-11647.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202004-10

OS impact

OSVersionStatusFixed in
arch archfixed3.2.3-1
suse slesaffected
debian debianbookwormfixed3.2.3-1
debian debianbullseyefixed3.2.3-1
debian debianforkyfixed3.2.3-1
debian debiansidfixed3.2.3-1
debian debiantrixiefixed3.2.3-1

References

Verify integrity in audit chain (admin only). AS-IS.