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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10abPatch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16887Broken Link
- https://gitlab.com/wireshark/wireshark/-/merge_requests/467Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/471Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/472Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/473Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
- https://security.gentoo.org/glsa/202011-08Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-14.htmlVendor Advisory
- https://gitlab.com/wireshark/wireshark/-/commit/3ff940652962c099b73ae3233322b8697b0d10abPatch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/issues/16887Broken Link
- https://gitlab.com/wireshark/wireshark/-/merge_requests/467Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/471Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/472Patch, Third Party Advisory
- https://gitlab.com/wireshark/wireshark/-/merge_requests/473Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/
- https://security.gentoo.org/glsa/202011-08Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2021.htmlThird Party Advisory
- https://www.wireshark.org/security/wnpa-sec-2020-14.htmlVendor Advisory
Timeline
- Published
- Oct 6, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified