SB2026060192 - openEuler 24.03 LTS update for rsync

Description

This security bulletin contains information about 2 vulnerabilities.

1) Integer overflow (CVE-ID: CVE-2026-43618)

CWE-ID: CWE-190 - Integer overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to an integer overflow in the compressed-token decoder when processing compressed token data from an authenticated daemon connection. A remote user can send crafted compressed-token data to disclose sensitive information.

The disclosed memory may include environment variables, passwords, heap data, and library pointers.

2) Off-by-one (CVE-ID: CVE-2026-45232)

CWE-ID: CWE-193 - Off-by-one Error

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to an off-by-one out-of-bounds stack write in establish_proxy_connection() in socket.c when processing the first response line from an HTTP CONNECT proxy. A remote attacker can return a pathological proxy response line without a newline terminator to cause a denial of service.

The issue is reachable only on the client side when RSYNC_PROXY is set, and the written byte is a fixed \0.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-2503