CVE-2019-1010142
Infinite Loop in scapy
CVE-2019-1010142 is a high vulnerability (CVSS 7.5) in Scapy, published July 19, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.79%, the 86th percentile. Fixed in scapy 2.4.1.
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
CVE-2019-1010142- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-835
- Updated
- 2026-11-02
CVE List No score
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
CVE-2019-1010142- Updated
- 2026-11-02
EUVDEUVD-2019-0128 No score
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
EUVD-2019-0128- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mpf2-q34c-fc6j
Infinite Loop in scapy
scapy is affected by a Denial of Service vulnerability resulting in an infinite loop and resource consumption rendering the program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is over the network or in a pcap. both work.
- Record
GHSA-mpf2-q34c-fc6j- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSV
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
CVE-2019-1010142- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-1010142
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
DEBIAN-CVE-2019-1010142- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-mpf2-q34c-fc6j
Infinite Loop in scapy
scapy is affected by a Denial of Service vulnerability resulting in an infinite loop and resource consumption rendering the program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is over the network or in a pcap. both work.
- Record
GHSA-mpf2-q34c-fc6j- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-835
- Updated
- 2026-11-02
OSVMGASA-2020-0266 No score
Updated scapy packages fix security vulnerability
Updated scapy packages fix security vulnerabilities:
A vulnerability was found in scapy 2.4.0 and earlier is affected by: Denial of Services. The impact is: busy loop forever. The component is: _RADIUSAttrPacketListField class. The attack vector is: a packet sent over the network or in a pcap (CVE-2019-1010262).
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work (CVE-2019-1010142).
- Record
MGASA-2020-0266- Updated
- 2026-11-02
OSVPYSEC-2019-120 No score
scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.
- Record
PYSEC-2019-120- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
scapyPyPI |
2.4-rc1 up to 2.4.1 | 2.4.1 |
scapyDebian:12 |
before 2.4.2-1 | 2.4.2-1 |
scapyDebian:13 |
before 2.4.2-1 | 2.4.2-1 |
scapyDebian:14 |
before 2.4.2-1 | 2.4.2-1 |
scapyPyPI |
2.4-rc1 up to 2.4.1, plus listed versions 2.4.02.4.0rc32.4.0rc42.4.0rc52.4rc2 |
2.4.1 |
scapyMageia:7 |
before 2.4.0-3.1.mga7 | 2.4.0-3.1.mga7 |
scapyPyPI |
before 2.4.1, plus listed versions 2.2.0-dev2.3.12.3.22.3.32.4rc2 Show 4 moreShow less2.4.0rc32.4.0rc42.4.0rc52.4.0 |
2.4.1 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
github.com/secdev/scapy/pull/1409/files
imperva.com/blog/scapy-sploit-python-network-tool-is-vulnerable-to-denial-of-service-dos-attack-cve-pending
securityfocus.com/bid/106674
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T46XW4S5BCA3VV3JT3C5Q6LBEXSIACLN
Show 10 moreShow less
nvd.nist.gov/vuln/detail/CVE-2019-1010142
security-tracker.debian.org/tracker/CVE-2019-1010142
advisories.mageia.org/MGASA-2020-0266.html
bugs.mageia.org/show_bug.cgi?id=25954