CVE catalog

CVE-2026-43859

mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.

[CVE catalog]

Severity
Medium · CVSS 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.16% · Oct 25, 2026

mutt before 2.3.2 sometimes uses strfcpy instead of memcpy for the IMAP auth_cram MD5 digest.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianmuttsid2.4.1-1.1fixed
Debianmuttforky2.4.1-1fixed
Debianmutttrixie2.2.13-1+deb13u1fixed
Debianmutttrixie-security2.2.13-1+deb13u2fixed
Debianmuttbookworm2.2.12-0.1~deb12u1vulnerable
Debianmuttbookworm-security2.2.9-1+deb12u1vulnerable
CpemuttNot reportedNot reportedvulnerable
Susemuttlinux enterprise server 16.02.2.16-160000.2.1fixed
Susemuttlinux enterprise server for sap applications 16.02.2.16-160000.2.1fixed
Opensusemuttleap 16.02.2.16-160000.2.1fixed
Opensusemutttumbleweed2.3.2-1.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianmuttsourcesid2.3.2-1not yet assignedNot reported[1135699]
Debianmuttsourceforky2.3.2-1not yet assignedNot reported[1135699]
Debianmuttsourcetrixie2.2.13-1+deb13u1not yet assignedNot reported[1135699]
Debianmuttsourcebookworm(unfixed)not yet assignedNot reported[1135699]
Susemuttrpmlinux enterprise server 16.02.2.16-160000.2.1Not reportedSUSE-SU-2026:22340-1Not reported
Susemuttrpmlinux enterprise server for sap applications 16.02.2.16-160000.2.1Not reportedSUSE-SU-2026:22340-1Not reported
Opensusemuttrpmleap 16.02.2.16-160000.2.1Not reportedOPENSUSE-SU-2026:21016-1Not reported
Opensusemuttrpmtumbleweed2.3.2-1.1Not reportedOPENSUSE-SU-2026:10695-1Not reported

[Debian bug #1135699]

Notes

[bookworm] mutt: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [mutt]Affected
    Details (4)

    • 2.2.12-0.1~deb12u1 · amd64 · bookworm

      Affected

      nvd · mutt · debian · bookworm; nvd · mutt · debian · 12

    • 2.2.12-0.1~deb12u1 · arm64 · bookworm

      Affected

      nvd · mutt · debian · bookworm; nvd · mutt · debian · 12

    • 2.2.9-1+deb12u1 · amd64 · bookworm-security

      Affected

      nvd · mutt · debian · bookworm; nvd · mutt · debian · 12

    • 2.2.9-1+deb12u1 · arm64 · bookworm-security

      Affected

      nvd · mutt · debian · bookworm; nvd · mutt · debian · 12

[openSUSE Tumbleweed]

  • [mutt-doc]Unknown

    Source package: [mutt]

    Details (1)

    • 2.3.2-1.3 · noarch · tumbleweed

      Unknown · Fixed: 2.3.2-1.1

      Version impact unknown

      nvd · mutt · opensuse · tumbleweed

  • [mutt-lang]Unknown

    Source package: [mutt]

    Details (1)

    • 2.3.2-1.3 · noarch · tumbleweed

      Unknown · Fixed: 2.3.2-1.1

      Version impact unknown

      nvd · mutt · opensuse · tumbleweed

  • [mutt]Fixed

    Source package: [mutt]

    Details (1)

    • 2.3.2-1.3 · x86_64 · tumbleweed

      Fixed · Fixed: 2.3.2-1.1

      nvd · mutt · opensuse · tumbleweed

[Debian 13 (Trixie)]

  • [mutt]Fixed
    Details (3)

    • 2.2.13-1+deb13u1 · amd64 · trixie

      Fixed · Fixed: 2.2.13-1+deb13u1

      nvd · mutt · debian · 13

    • 2.2.13-1+deb13u1 · arm64 · trixie

      Fixed · Fixed: 2.2.13-1+deb13u1

      nvd · mutt · debian · 13

    • 2.2.13-1+deb13u2 · amd64 · trixie-security

      Fixed · Fixed: 2.2.13-1+deb13u1

      nvd · mutt · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]