Anolis OS update for libvncserver



| Updated: 2025-03-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-29260
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Anolis OS
Operating systems & Components / Operating system

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

libvncserver-devel
Operating systems & Components / Operating system package or component

libvncserver
Operating systems & Components / Operating system package or component

Vendor OpenAnolis

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Memory leak

EUVDB-ID: #VU67972

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-29260

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak within the rfbClientCleanup() function. A remote attacker can force the server to leak memory and perform denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 23

libvncserver-doc: before 0.9.13-2

libvncserver-devel: before 0.9.13-2

libvncserver: before 0.9.13-2

CPE2.3 External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0799


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.



###SIDEBAR###