Security readout for executives and security teams
Tcpdump 4.9.2 can read beyond a buffer when printing HNCP data from a crafted pcap file. A victim must open or process the malicious capture. The reported impact is possible stack data exposure, such as saved frame pointer or return address values. Exposure is most likely where tcpdump 4.9.2, or OS packages carrying that code, are used to inspect pcaps from users, customers, sensors, malware sandboxes, or incident response cases. Treat this as a targeted parser-risk issue, not a broad remote compromise. Remediate promptly on security operations, forensics, and automation systems that handle outside pcap files. Mitigation focus: Update tcpdump through vendor-supported packages or upstream guidance.; Prioritize systems processing untrusted or externally supplied pcap files.; Avoid opening untrusted pcaps with tcpdump 4.9.2..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-126: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-1010220 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9.2/print-hncp.cCVE reference · x_refsource_MISC
- https://github.com/the-tcpdump-group/tcpdump/blob/master/print-hncp.cCVE reference · x_refsource_MISC
- https://github.com/the-tcpdump-group/tcpdump/commits/master/print-hncp.cCVE reference · x_refsource_MISC
- FEDORA-2019-85d92df70fCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-d06bc63433CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-6db0d5b9d9CVE reference · vendor-advisory, x_refsource_FEDORA
- USN-4252-2CVE reference · vendor-advisory, x_refsource_UBUNTU
- USN-4252-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.
Buffer Over-read
Buffer Over-read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.