CVE-2016-7933: tcpdump
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2016-7933UBUNTU-CVE-2016-7933DEBIAN-CVE-2016-7933
Published 28-01-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-7933 is a critical (CVSS 9.8) vulnerability in tcpdump. EPSS estimates a 3.17% chance of exploitation in the next 30 days, higher than 87.8% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
3.17%
0%100%
Low · -0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 3Timeline
- 28-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The PPP parser in tcpdump before 4.9.0 has a buffer overflow in print-ppp.c:ppp_hdlc_if_print().
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.17%
Chance of exploitation in the next 30 days
Percentile
88%
Versus all other CVEs
30-day change
-0.03 pp
From 3.20% on 18-09-2026
18-09-202618-10-2026
EPSS score3.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- tcpdump< 4.9.0-r0
Debian1 product
- tcpdump< 4.9.0-1
Tcpdump1 product
- tcpdump≤ 4.8.1
Ubuntu1 product
- tcpdump< 4.9.0-1ubuntu1~ubuntu14.04.1 | < 4.9.0-1ubuntu1~ubuntu16.04.1
4 vendors · 4 products
References
12 links- www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.htmlX Refsource CONFIRM