Anolis OS update for tcpdump



| Updated: 2025-03-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41043
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

tcpdump-doc
Operating systems & Components / Operating system package or component

tcpdump
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU86208

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-41043

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in AddressSanitizer. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

tcpdump-doc: before 4.9.3-4.0.1

tcpdump: before 4.9.3-4.0.1

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2024:0080


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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