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CVE-2001-0905

17
FAUCET Score

CVE-2001-0905 describes a race condition vulnerability in procmail version 3.20 and earlier, specifically when the software is running with setuid permissions. This flaw allows local users to trigger a denial of service or potentially gain root privileges by sending a signal while a signal handling routine is already active. Rated with a CVSS score of 6.2 (MEDIUM), exploitation requires high attack complexity (AC:H) but can lead to complete compromise of confidentiality, integrity, and availability (C:C/I:C/A:C). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.20CPE matchmatch criteria
cpe:2.3:a:procmail:procmail:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

AV:L/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.32%
Probability of exploitation in next 30 days
EPSS Percentile
24.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0032 is in the 23rd percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

debianpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 5.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch

Vendor Advisories (1)

redhatCVE-2001-0905

security flaw

Jul 3, 2001

References

ftp.freebsd.org / pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:60.procmail.asc
PatchVendor Advisory
distro.conectiva.com.br / atualizacoes
exchange.xforce.ibmcloud.com / vulnerabilities/6872
debian.org / security/2001/dsa-083
PatchVendor Advisory
linux-mandrake.com / en/security/2001/MDKSA-2001-085.php3
PatchVendor Advisory
redhat.com / support/errata/RHSA-2001-093.html
PatchVendor Advisory
securityfocus.com / bid/3071
PatchVendor Advisory