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CVE-2003-0167

20
FAUCET Score

CVE-2003-0167 describes multiple off-by-one buffer overflows in the IMAP capability of Mutt 1.3.28 and earlier, and Balsa 1.2.4 and earlier. A remote, malicious IMAP server can exploit this vulnerability by crafting a special mail folder, leading to a denial of service (application crash) and potentially arbitrary code execution. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector and low attack complexity, allowing for potential partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.12CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.3.12:*:*:*:*:*:*:*
1.3.12.1CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.3.12.1:*:*:*:*:*:*:*
1.3.16CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.3.16:*:*:*:*:*:*:*
1.3.17CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.3.17:*:*:*:*:*:*:*
1.3.22CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:1.3.22:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.54%
Probability of exploitation in next 30 days
EPSS Percentile
83.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0254 is in the 70th percentile among its peer group of 51,506 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

debianpatch availablevia nvd_reference
View patch

References

debian.org / security/2003/dsa-274
PatchVendor Advisory
debian.org / security/2003/dsa-300
securityfocus.com / bid/7229
PatchVendor Advisory