CVE-2026-70462

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Source
https://cve.org/CVERecord?id=CVE-2026-70462
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-70462.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-70462
Aliases
  • GHSA-j9wh-5jmp-2m64
Downstream
Published
2026-08-13T14:42:28.449Z
Modified
2026-08-15T11:48:00.277825810Z
Severity
  • 7.1 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUT
Details

rsync 3.1.0 before 3.5.0 contains a signed integer overflow vulnerability in the I/O timeout implementation that allows attackers to permanently disable connection timeouts by injecting MSGIOTIMEOUT messages carrying non-positive (zero or negative) values. Attackers can craft malicious MSGIOTIMEOUT messages that cause the timeout variable to wrap to a non-positive value, preventing the timeout check from firing and enabling idle or stalled connections to hold daemon slots indefinitely, leading to resource exhaustion.

Database specific 
{
    "cwe_ids": [
        "CWE-190",
        "CWE-835"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70462.json",
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/rsyncproject/rsync

Affected ranges

Type
GIT
Repo
https://github.com/rsyncproject/rsync
Events
Introduced
bc58313bf7f42f0993f7279299e8137e0f14f01c
Fixed
471e17dc0d68233db84db11be82c9f62f4661214
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "3.1.0"
        },
        {
            "last_affected": "3.4.4"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

v3.*
v3.1.0
v3.1.1
v3.1.1pre1
v3.1.1pre2
v3.1.2
v3.1.2pre1
v3.1.3
v3.1.3pre1
v3.2.0
v3.2.0pre1
v3.2.0pre2
v3.2.0pre3
v3.2.1
v3.2.1pre1
v3.2.2
v3.2.2pre1
v3.2.2pre2
v3.2.2pre3
v3.2.3
v3.2.3pre1
v3.2.4
v3.2.4pre1
v3.2.4pre2
v3.2.4pre3
v3.2.4pre4
v3.2.5
v3.2.5pre1
v3.2.5pre2
v3.2.6
v3.2.7
v3.2.7pre1
v3.3.0
v3.3.0pre1
v3.4
v3.4.0
v3.4.1
v3.4.2
v3.4.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-70462.json"