CVE-2021-35525 - CVE House
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Status published Medium CVE-2021-35525

PostSRSd before 1.11 allows a denial of service (subprocess hang)...

Vulnerability Description

PostSRSd before 1.11 allows a denial of service (subprocess hang) if Postfix sends certain long data fields such as multiple concatenated email addresses. NOTE: the PostSRSd maintainer acknowledges "theoretically, this error should never occur ... I'm not sure if there's a reliable way to trigger this condition by an external attacker, but it is a security bug in PostSRSd nevertheless."

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from postsrsd project

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CVE-2020-35573
srs2.c in PostSRSd before 1.10 allows remote attackers to cause...
High 7.5

Affected Vendor

postsrsd project

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Affected Software

postsrsd
Vulnerable Versions:
0

Timeline

Official Publish: June 28th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.