CVE-2026-44508
Rsync: Integer overflow in compressed-token decoding
Description
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-43618. Reason: This candidate is a duplicate of CVE-2026-43618. Notes: All CVE users should reference CVE-2026-43618 instead of this candidate.
INFO
Published Date :
July 20, 2026, 9:16 p.m.
Last Modified :
July 21, 2026, 4:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Rsync to version 3.4.3 or later.
- Apply vendor patches if available.
- Monitor systems for suspicious activity.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-44508 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-44508 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Rejected by [email protected]
Jul. 21, 2026
Action Type Old Value New Value -
CVE Modified by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Changed Description Rsync is a file-copying tool that uses a delta-transfer algorithm to synchronize remote and local files. In versions prior to 3.4.3, the receiver's compressed-token decoder accumulated a 32-bit signed counter without checking for overflow. A malicious sender can trigger an overflow that with careful manipulation can lead to the extraction of data stored in memory of the process allowing an attacker to access environment variables, passwords and memory pointers from the heap, stack, and libraries. The leakage of these pointers and data can significantly reduce the effectiveness of ASLR and facilitate further exploitation. This issue is fixed in version 3.4.3. Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2026-43618. Reason: This candidate is a duplicate of CVE-2026-43618. Notes: All CVE users should reference CVE-2026-43618 instead of this candidate. Removed CVSS V3.1 GitHub, Inc.: AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Removed CWE GitHub, Inc.: CWE-200 Removed CWE GitHub, Inc.: CWE-190 Removed Reference GitHub, Inc.: https://github.com/RsyncProject/rsync/security/advisories/GHSA-g37v-g3gj-pmwq Removed Affected [{'vendor': 'RsyncProject', 'product': 'rsync', 'versions': [{'status': 'affected', 'version': '< 3.4.3'}]}] -
New CVE Received by [email protected]
Jul. 20, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'RsyncProject', 'product': 'rsync', 'versions': [{'status': 'affected', 'version': '< 3.4.3'}]}] Added Description Rsync is a file-copying tool that uses a delta-transfer algorithm to synchronize remote and local files. In versions prior to 3.4.3, the receiver's compressed-token decoder accumulated a 32-bit signed counter without checking for overflow. A malicious sender can trigger an overflow that with careful manipulation can lead to the extraction of data stored in memory of the process allowing an attacker to access environment variables, passwords and memory pointers from the heap, stack, and libraries. The leakage of these pointers and data can significantly reduce the effectiveness of ASLR and facilitate further exploitation. This issue is fixed in version 3.4.3. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Added CWE CWE-200 Added CWE CWE-190 Added Reference https://github.com/RsyncProject/rsync/security/advisories/GHSA-g37v-g3gj-pmwq