CRITICAL
tcpdump: heap-based buffer over-read in the lldp_print
Published Jul 23, 2017
9.8
CRITICALCVSS 3.0
EPSS 3.79%
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux 7
tcpdump-14:4.9.2-3.el7
Fixed · RHEA-2018:0705
Red Hat Enterprise Linux 5
tcpdump
Will not fix
Red Hat Enterprise Linux 6
tcpdump
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | tcpdump-14:4.9.2-3.el7 | Fixed | RHEA-2018:0705 |
| Red Hat Enterprise Linux 5 | tcpdump | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | tcpdump | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
1 other source (Red Hat) ▾
5.3 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.79% 0.03791
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03791
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.79% (0.03791) | 89.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.79% (0.03791) | 88.55th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.05% (0.01047) | 75.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.31% (0.03307) | 78.54th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.05% (0.01047) | 75.98th | v4 (v2025.03.14) |
| Jan 2, 2025 | 2.82% (0.02819) | 90.39th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.84% (0.04837) | 91.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.66% (0.01659) | 34.20th | v1 |
| Jan 6, 2022 | 1.66% (0.01659) | 33.50th | v1 |
| Sep 1, 2021 | 1.66% (0.01659) | 73.96th | v1 |
| Apr 14, 2021 | 1.66% (0.01659) | 0.00th | v1 |
Weaknesses (1)
References (11)
- http://www.debian.org/security/2017/dsa-3971 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/99941 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039307 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/errata/RHEA-2018:0705 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-11541 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1475352 Issue Tracking
- https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/heap-buffer-overflow/util-print x_refsource_MISCExploitThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-11541
- https://security.gentoo.org/glsa/201709-23 vendor-advisoryx_refsource_GENTOO
- https://support.apple.com/HT208221 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2017-11541
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3971 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/99941 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1039307 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/errata/RHEA-2018:0705 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-11541 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1475352 | Issue Tracking | |
| https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/heap-buffer-overflow/util-print | x_refsource_MISCExploitThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-11541 | ||
| https://security.gentoo.org/glsa/201709-23 | vendor-advisoryx_refsource_GENTOO | |
| https://support.apple.com/HT208221 | x_refsource_CONFIRM | |
| https://www.cve.org/CVERecord?id=CVE-2017-11541 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jul 23, 2017
Updated Aug 5, 2024
Reserved Jul 22, 2017
Link CVE-2017-11541
CISA Vulnrichment
Updated n/a