str2tokbuf used incorrectly by print-someip.c
Priority LOW 36CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
The tok2strbuf() function in tcpdump 4.10.0-PRE-GIT was used by the SOME/IP dissector in an unsafe way.
Why it matters now
EPSS 0.01479 74th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| The Tcpdump Group | tcpdump | 4.10.0-PRE-GIT | — | No fix listed | CNA |
- tcpdump VendorThe Tcpdump Group Affected 4.10.0-PRE-GIT Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tcpdump:tcpdump:4.10.0:*:*:*:*:*:*:* | 4.10.0 | Vulnerable | The Tcpdump Group |
- cpe:2.3:a:tcpdump:tcpdump:4.10.0:*:*:*:*:*:*:* Versions 4.10.0 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 →
Not affected: 4 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8036
- 2026-10-03 Alias added: GHSA-ff33-26cm-5cp4
References
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-2020-8036 · CVE Program
- CVE-2020-8036 · NVD
- FIRST EPSS
- GHSA-ff33-26cm-5cp4 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-8036 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences