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CVE-2008-3962

12
FAUCET Score

CVE-2008-3962 describes a vulnerability in ssmtp versions 2.61 and 2.62, where the from_format function in ssmtp.c can use uninitialized memory for the 'From:' field in email messages. This flaw has a low severity CVSS score of 2.6 (AV:N/AC:H/Au:N/C:P/I:N/A:N), indicating a network-based attack with high access complexity, requiring no authentication, and potentially leading to partial confidentiality impact by exposing memory contents. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.61CPE matchmatch criteria
cpe:2.3:a:ssmtp:ssmtp:2.61:*:*:*:*:*:*:*
2.62CPE matchmatch criteria
cpe:2.3:a:ssmtp:ssmtp:2.62:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 72nd percentile among its peer group of 1,506 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, 0.1 Bluesky, 0.0 Mastodon, and 0.3 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

Vendor Advisories (1)

redhatCVE-2008-3962

ssmtp: unitialized memory disclosure

References

bugs.gentoo.org / 234391
exchange.xforce.ibmcloud.com / vulnerabilities/45038
openwall.com / lists/oss-security/2008/09/09/5
openwall.com / lists/oss-security/2008/09/09/6
openwall.com / lists/oss-security/2008/09/11/2
securityfocus.com / bid/31094
vupen.com / english/advisories/2008/2597
Vendor Advisory