tcpdump before 4.9.3 has a heap-based buffer over-read related to aoe_print in…
Priority LOW 31CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
tcpdump before 4.9.3 has a heap-based buffer over-read related to aoe_print in print-aoe.c and lookup_emem in addrtoname.c.
Why it matters now
EPSS 0.03167 88th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tcpdump:tcpdump:4.9.2:*:*:*:*:*:*:* | 4.9.2 | Vulnerable | The Tcpdump Group |
- cpe:2.3:a:tcpdump:tcpdump:4.9.2:*:*:*:*:*:*:* Versions 4.9.2 Vulnerable ·The Tcpdump Group
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16808
- 2026-10-03 Alias added: GHSA-j4v3-95xv-q35p
References
Advisory 9
Other 6
- 20191002 [slackware-security] tcpdump (SSA:2019-274-01)
- https://github.com/the-tcpdump-group/tcpdump/blob/tcpdump-4.9/CHANGES
- http://packetstormsecurity.com/files/154710/Slackware-Security-Advisory-tcpdump-Updates.html
- https://support.apple.com/kb/HT210788
- 20191211 APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra
- 20191213 APPLE-SA-2019-12-10-3 macOS Catalina 10.15.2, Security Update 2019-002 Mojave, Security Update 2019-007 High Sierra
More The Tcpdump Group Tcpdump vulnerabilities
- TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
- TI-2004-00159 Integer underflow in the isakmp_id_print for TCPDUMP 3.8.1 and earlier allows remote… CVSS 2.0MEDIUM 5.0
- TI-2018-10700 The BGP parser in tcpdump before 4.9.3 has a buffer over-read in… CVSS 3.1CRITICAL 9.8
- TI-2017-09693 The RPKI-Router parser in tcpdump before 4.9.2 has a buffer over-read in print-rpki-rtr.c:rpki_rtr_pdu_print(). CVSS 3.1CRITICAL 9.8
- TI-2017-09684 The ICMPv6 parser in tcpdump before 4.9.2 has a buffer over-read in print-icmp6.c:icmp6_nodeinfo_print(). CVSS 3.1CRITICAL 9.8
- TI-2017-09683 The MPTCP parser in tcpdump before 4.9.2 has a buffer over-read in print-mptcp.c, several functions. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2017-16808 · CVE Program
- CVE-2017-16808 · NVD
- FIRST EPSS
- GHSA-j4v3-95xv-q35p · GitHub Advisory Database · CC BY 4.0
- CVE-2017-16808 · Red Hat security data · CC BY 4.0
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