CVE-2021-39923

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitLabCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
VendorProductVersion
wiresharkwireshark
3.2.0 ≤
𝑥
≤ 3.2.17
wiresharkwireshark
3.4.0 ≤
𝑥
≤ 3.4.9
debiandebian_linux
10.0
debiandebian_linux
11.0
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
wireshark
bullseye
3.4.10-0+deb11u1
fixed
bullseye (security)
3.4.16-0+deb11u1
fixed
bookworm
4.0.11-1~deb12u1
fixed
bookworm (security)
4.0.11-1~deb12u1
fixed
trixie
4.4.0-1
fixed
sid
4.4.1-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
wireshark
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
needs-triage
Common Weakness Enumeration
References
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
https://gitlab.com/wireshark/wireshark/-/issues/17684
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
https://www.debian.org/security/2021/dsa-5019
https://www.wireshark.org/security/wnpa-sec-2021-11.html
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
https://gitlab.com/wireshark/wireshark/-/issues/17684
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
https://www.debian.org/security/2021/dsa-5019
https://www.wireshark.org/security/wnpa-sec-2021-11.html