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CVE-2022-1328

22
FAUCET Score

CVE-2022-1328 is a buffer overflow vulnerability in the uudecoder component of the Mutt email client, affecting all versions from 0.94.13 up to, but not including, 2.2.3. This flaw allows an attacker to read past the end of an input line, potentially leading to information disclosure. Rated with a CVSS score of 5.3 (Medium), this vulnerability can be exploited remotely with low attack complexity and does not require user interaction or privileges. The primary impact is a potential loss of confidentiality, with no impact on integrity or availability. Currently, there is no evidence of active exploitation, nor is there any publicly available exploit code in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, indicating a low level of public awareness or concern.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.94.13, < 2.2.3CPE matchmatch criteria
cpe:2.3:a:mutt:mutt:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
36CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.71%
Probability of exploitation in next 30 days
EPSS Percentile
75.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0171 is in the 61st percentile among its peer group of 23,723 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 (4)

microsoftpatch availablevia msrc
Product: 18316-16823Fixed in: 2.2.12-1
microsoftpatch availablevia msrc
Product: cbl2 mutt 2.2.12-1 on CBL Mariner 2.0Fixed in: 2.2.12-1
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mutt-5:2.0.7-2.el8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: mutt-5:2.2.6-1.el9
View patch

Vendor Advisories (2)

redhatCVE-2022-1328Moderate

mutt: buffer overflow in uudecoder function

Apr 14, 2022
microsoft2022-Apr/CVE-2022-1328Moderate

Buffer Overflow in uudecoder in Mutt affecting all versions starting from 0.94.13 before 2.2.3 allows read past end of input line

Apr 12, 2022

References

gitlab.com / gitlab-org/cves/-/blob/master/2022/CVE-2022-1328.json
Third Party Advisory
gitlab.com / muttmua/mutt/-/commit/e5ed080c00e59701ca62ef9b2a6d2612ebf765a5
PatchThird Party Advisory
gitlab.com / muttmua/mutt/-/issues/404
ExploitIssue TrackingPatchThird Party Advisory