Security readout for executives and security teams
CVE-2017-11541 is a memory-read flaw in tcpdump 4.9.0 when handling LLDP output. If vulnerable tcpdump processes malicious or malformed packet data, it may read beyond intended heap memory. The provided sources do not include a CVSS score or evidence of active exploitation. Most exposure is on systems running tcpdump 4.9.0 or downstream packages containing the vulnerable LLDP parsing code. Risk is higher for administrators, monitoring systems, or forensic workflows that process untrusted packet captures or live local network traffic. Treat this as a targeted maintenance risk rather than an emergency based on the provided evidence. Patch vulnerable tcpdump deployments, especially on security operations and network analysis systems that handle untrusted packet data. Mitigation focus: Identify tcpdump versions installed across servers, appliances, and analyst workstations.; Update tcpdump using the applicable OS or vendor advisory channel.; Prioritize hosts that process untrusted packet captures or local network traffic..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2017-11541 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201709-23CVE reference · vendor-advisory, x_refsource_GENTOO
- https://support.apple.com/HT208221CVE reference · x_refsource_CONFIRM
- https://github.com/hackerlib/hackerlib-vul/tree/master/tcpdump-vul/heap-buffer-overflow/util-printCVE reference · x_refsource_MISC
- RHEA-2018:0705CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.