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Fencer Intel
medium 4.3

CVE-2022-1328 json

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

published 4y ago modified 4mo ago also EUVD-2022-24656

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

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

Patch / fix

  • mutt mutt 2.2.3
  • mutt Debian 14, Debian 13, Debian 12 2.2.3-1
  • neomutt Debian 14, Debian 13, Debian 12 20220429+dfsg1-1

debian advisories DEBIAN-CVE-2022-1328

  • mutt Ubuntu 18.04 LTS 1.9.4-3ubuntu0.6
  • mutt Ubuntu 20.04 LTS 1.13.2-1ubuntu0.5
  • mutt Ubuntu 22.04 LTS 2.1.4-1ubuntu1.1
  • mutt Ubuntu Pro 16.04 LTS 1.5.24-1ubuntu0.6+esm2
  • neomutt Ubuntu Pro 18.04 LTS 20171215+dfsg.1-1ubuntu0.1~esm1
  • neomutt Ubuntu Pro 20.04 LTS 20191207+dfsg.1-1.1ubuntu0.1~esm1
  • neomutt Ubuntu Pro 22.04 LTS 20211029+dfsg1-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2022-1328

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mutt RHEL 9 5:2.2.6-1.el9
  • mutt RHEL 8 5:2.0.7-2.el8

red hat advisories RHSA-2022:8219RHSA-2022:7640

  • mutt SLES for SAP 12 SP5, SLES 12 SP5 1.10.1-55.27.1
  • mutt SLE Real Time 15 SP2, SLE Module for Basesystem 15 SP3, openSUSE Leap 15.3 1.10.1-150000.3.23.1

suse advisories SUSE-SU-2022:1478-1SUSE-SU-2022:1376-1

  • mutt openSUSE Tumbleweed 2.2.3-1.1
  • neomutt openSUSE Tumbleweed 20220429-1.1
  • neomutt Package Hub 15 SP4, openSUSE Leap 15.4 20220429-bp154.2.3.1

opensuse advisories openSUSE-SU-2024:12010-1openSUSE-SU-2024:12105-1openSUSE-SU-2022:10020-1

  • mutt AlmaLinux 9 5:2.2.6-1.el9
  • mutt AlmaLinux 8 5:2.0.7-2.el8

almalinux advisories ALSA-2022:8219ALSA-2022:7640

  • mutt Rocky Linux 9 5:2.2.6-1.el9
  • mutt Rocky Linux 8 5:2.0.7-2.el8

rocky linux advisories RLSA-2022:8219RLSA-2022:7640

  • mutt Alpine 3.24, Alpine 3.23, Alpine 3.22 +7 more 2.2.3-r0

alpine advisories ALPINE-CVE-2022-1328

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • mutt CBL-Mariner 2.0 2.2.12-1

azure linux advisories AZL-9472

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Is CVE-2022-1328 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-1328 updated cvss 6.5

mutt: buffer overflow in uudecoder function

  • Red Hat Enterprise Linux 6 mutt Red Hat Enterprise Linux 7 mutt
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) mutt 2.0.7-2.el8
    fixed: vendor fix RHSA-2022:7640
  • Red Hat Enterprise Linux AppStream (v. 9) mutt 2.2.6-1.el9
    fixed: vendor fix RHSA-2022:8219

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • gitlab.com https://gitlab.com/muttmua/mutt/-/issues/404 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • Mutt Mutt

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.