rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse…
Priority LOW 29CWE-131Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
rpcapd/daemon.c in libpcap before 1.9.1 mishandles certain length values because of reuse of a variable. This may open up an attack vector involving extra data at the end of a request.
Why it matters now
EPSS 0.02764 86th 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 |
|---|---|---|---|---|---|
| — | — | 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:libpcap:*:*:*:*:*:*:*:* | before 1.9.1 | Vulnerable | The Tcpdump Group |
- cpe:2.3:a:tcpdump:libpcap:*:*:*:*:*:*:*:* Versions before 1.9.1 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: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2019-15161
- 2026-10-03 Alias added: GHSA-mpx8-phwc-v8wq
References
Advisory 4
Other 8
- https://github.com/the-tcpdump-group/libpcap/blob/libpcap-1.9/CHANGES
- https://support.apple.com/kb/HT210788
- https://support.apple.com/kb/HT210790
- https://support.apple.com/kb/HT210785
- https://support.apple.com/kb/HT210789
- 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
- https://www.oracle.com/security-alerts/cpuapr2020.html
More The Tcpdump Group Libpcap vulnerabilities
- TI-2011-01707 pcap-linux.c in libpcap 1.1.1 before commit ea9432fabdf4b33cbc76d9437200e028f1c47c93 when… CVSS 3.1CRITICAL 9.8
- TI-2019-11323 rpcapd/daemon.c in libpcap before 1.9.1 allows attackers to cause a denial of service… CVSS 3.1HIGH 7.5
- TI-2019-11325 sf-pcapng.c in libpcap before 1.9.1 does not properly validate the PHB header length before allocating memory. CVSS 3.1MEDIUM 5.3
- TI-2019-11324 rpcapd/daemon.c in libpcap before 1.9.1 allows SSRF because a URL may be provided as a capture source. CVSS 3.1MEDIUM 5.3
- TI-2019-11322 rpcapd/daemon.c in libpcap before 1.9.1 on non-Windows platforms provides details about… CVSS 3.1MEDIUM 5.3
- TI-2024-07420 NULL pointer dereference in libpcap before 1.10.5 with remote packet capture support CVSS 3.1MEDIUM 4.4
Sources
- CVE-2019-15161 · CVE Program
- CVE-2019-15161 · NVD
- FIRST EPSS
- GHSA-mpx8-phwc-v8wq · GitHub Advisory Database · CC BY 4.0
- CVE-2019-15161 · Red Hat security data · CC BY 4.0
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