Skip to main content
No exploitation reportedFix available

CVE-2020-24265

No exploitation reported by the sources we read.

  • Published2020-10-19
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in MemcmpInterceptorCommon() that can make tcpprep crash and cause a denial of service.

Timeline

dates in UTC
  1. 2020-10-1915:15CVE publishedNVD

Versions per branch

NVD
Fedoraproject fedora
BranchAffectedFixed in
31.x= 31no fix published
32.x= 32no fix published
33.x= 33no fix published
Broadcom tcpreplay
BranchAffectedFixed in
4.3= 4.3.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • tcpreplayUbuntu:Pro:22.04:LTSall versions · fixed in 4.3.4-1ubuntu0.1~esm1
  • tcpreplayUbuntu:Pro:20.04:LTSall versions · fixed in 4.3.2-1ubuntu0.1~esm1
  • tcpreplayUbuntu:Pro:20.04:LTSall versions · fixed in 4.3.2-1ubuntu0.1~esm2
  • tcpreplayUbuntu:Pro:18.04:LTSall versions · fixed in 4.2.6-1ubuntu0.1~esm3
  • tcpreplayUbuntu:Pro:18.04:LTSall versions · fixed in 4.2.6-1ubuntu0.1~esm4
  • tcpreplayUbuntu:Pro:16.04:LTSall versions · fixed in 3.4.4-2+deb8u1ubuntu0.1~esm2
  • tcpreplayopenSUSE:Tumbleweedall versions · fixed in 4.3.4-1.3
  • tcpreplayMageia:7all versions · fixed in 4.3.3-1.1.mga7

9 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-24265 Red Hat Product Security

    tcpreplay: heap buffer overflow in MemcmpInterceptorCommon() could result in a crash

Full record on NVD

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-10-19
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-j9f7-fx8r-4pr6

Frequently asked questions

What is CVE-2020-24265?

An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in MemcmpInterceptorCommon() that can make tcpprep crash and cause a denial of service.

Is CVE-2020-24265 actively exploited?

Active exploitation of CVE-2020-24265 has not been confirmed. Its EPSS score was 2.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-24265?

CVE-2020-24265 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running tcpreplay? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

No credit card required · No monthly cap on website lookups · 250 API requests/month

Sources for this record