CVE-2017-11541: tcpdump Out-of-bounds Read
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2017-11541DEBIAN-CVE-2017-11541
Published 23-07-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-11541 is a critical (CVSS 9.8) Out-of-bounds Read vulnerability in tcpdump. EPSS estimates a 3.79% chance of exploitation in the next 30 days, higher than 89.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
3.79%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 23-07-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
tcpdump 4.9.0 has a heap-based buffer over-read in the lldp_print function in print-lldp.c, related to util-print.c.
CVSS metrics
4 scores · 3 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 3 agree
- 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
3.79%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
0.00 pp
From 3.79% on 18-09-2026
18-09-202618-10-2026
EPSS score3.79%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundHackerlib Vul
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Debian1 product
- tcpdump< 4.9.1-3
Tcpdump1 product
- tcpdump4.9.0
Ubuntu1 product
- tcpdump< 4.9.2-0ubuntu0.14.04.1 | < 4.9.2-0ubuntu0.16.04.1
3 vendors · 3 products
References
12 links- support.apple.com/HT208221X Refsource CONFIRM
- github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/heap-buffer-overflow/util-printX Refsource MISCExploitThird Party AdvisoryREPORT