Resource exhaustion in Postfix - CVE-2001-0894
Published: June 8, 2025
Vulnerability identifier: #VU110623
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2001-0894
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Postfix.org
Affected software:
Postfix
Postfix
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when configured to email the postmaster when SMTP errors cause the session to terminate. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
How to mitigate CVE-2001-0894
Install updates from vendor's website.
Sources
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000439
- http://frontal2.mandriva.com/security/advisories?name=MDKSA-2001:089
- http://marc.info/?l=bugtraq&m=100584160110303&w=2
- http://www.debian.org/security/2001/dsa-093
- http://www.redhat.com/support/errata/RHSA-2001-156.html
- http://www.securityfocus.com/bid/3544
- https://exchange.xforce.ibmcloud.com/vulnerabilities/7568