What’s Vulnerable › Vulnerabilities

CVE-2020-24266

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-19 · updated 2026-06-17
• Weakness: CWE-787

Description

An issue was discovered in tcpreplay tcpprep v4.3.3. There is a heap buffer overflow vulnerability in get_l2len() that can make tcpprep crash and cause a denial of service.

Affected products

• appneta tcpreplay: 4.3.3
• Fedoraproject Fedora: 31, 32, 33

References

• https://github.com/appneta/tcpreplay/issues/617
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EA7K7VKDK2K3SY2DHQQYSCBGZLKPWXJ4/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LC3UMBJFBK5HYUX7H2NGXVFI2I2EMAOF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M623ONZKOZL5Y7XQNHKXEPV76XYCPXQM/
• https://security.gentoo.org/glsa/202105-21
• https://github.com/appneta/tcpreplay/issues/617
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EA7K7VKDK2K3SY2DHQQYSCBGZLKPWXJ4/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LC3UMBJFBK5HYUX7H2NGXVFI2I2EMAOF/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M623ONZKOZL5Y7XQNHKXEPV76XYCPXQM/
• https://security.gentoo.org/glsa/202105-21

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