CVE-2020-18976

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

Buffer Overflow in Tcpreplay v4.3.2 allows attackers to cause a Denial of Service via the 'do_checksum' function in 'checksum.c'. It can be triggered by sending a crafted pcap file to the 'tcpreplay-edit' binary. This issue is different than CVE-2019-8381.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 25, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-189796.1Cross Siste Scripting (XSS) vulnerablity in Halo 0.4.3 via the X-forwarded-for Header parameter.CVE-2020-18987.5The fb_unserialize function did not impose a depth limit for nested deserialization. That meant a maliciously constructed string could causeCVE-2020-189809.8Remote Code Executon vulnerability in Halo 0.4.3 via the remoteAddr and themeName parameters.CVE-2020-189825.4Cross Sie Scripting (XSS) vulnerability in Halo 0.4.3 via CommentAuthorUrl.CVE-2020-189846.1A reflected cross-site scripting (XSS) vulnerability in the zimbraAdmin/public/secureRequest.jsp component of Zimbra Collaboration 8.8.12 alCVE-2020-189856.1An issue in /domain/service/.ewell-known/caldav of Zimbra Collaboration 8.8.12 allows attackers to redirect users to any arbitrary website oCVE-2020-18997.5The unserialize() function supported a type code, "S", which was meant to be supported only for APC serialization. This type code allowed arCVE-2020-189986.1Cross Site Scripting (XSS) in Blog_mini v1.0 allows remote attackers to execute arbitrary code via the component '/admin/custom/blog-plugin/CVE-2020-189996.1Cross Site Scripting (XSS) in Blog_mini v1.0 allows remote attackers to execute arbitrary code via the component '/admin/submit-articles'.CVE-2020-19009.8When unserializing an object with dynamic properties HHVM needs to pre-reserve the full size of the dynamic property array before inserting CVE-2020-190006.1Cross Site Scripting (XSS) in Simiki v1.6.2.1 and prior allows remote attackers to execute arbitrary code via line 54 of the component 'simiCVE-2020-190019.8Command Injection in Simiki v1.6.2.1 and prior allows remote attackers to execute arbitrary system commands via line 64 of the component 'si
CVE-2020-18976: Medium severity, CVSS 5.5 | Vulnix