CVEvulnerability
CVE-2021-3181
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-01-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-401
Description
rfc822.c in Mutt through 2.0.4 allows remote attackers to cause a denial of service (mailbox unavailability) by sending email messages with sequences of semicolon characters in RFC822 address fields (aka terminators of empty groups). A small email message from the attacker can cause large memory consumption, and the victim may then be unable to see email messages from other persons.
Affected configurations
• mutt mutt (<= 2.0.4)
• debian debian linux 9.0
• debian debian linux 10.0
• fedoraproject fedora 32
• fedoraproject fedora 33
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- http://www.openwall.com/lists/oss-security/2021/01/19/10 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/27/3 Mailing List, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/4a2becbdb4422aaffe3ce314991b9d670b7adf17 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/939b02b33ae29bc0d642570c1dcfd4b339037d19 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/issues/323 Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00017.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXGWXFO77HBCD3VYEIYHHYU33LYWWWNQ/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2OMLQKAOHPYQA4GI7ZUO6UKCPUHLYO7/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202101-25 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4838 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/19/10 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/01/27/3 Mailing List, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/4a2becbdb4422aaffe3ce314991b9d670b7adf17 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/939b02b33ae29bc0d642570c1dcfd4b339037d19 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14 Patch, Third Party Advisory
- https://gitlab.com/muttmua/mutt/-/issues/323 Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00017.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXGWXFO77HBCD3VYEIYHHYU33LYWWWNQ/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2OMLQKAOHPYQA4GI7ZUO6UKCPUHLYO7/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202101-25 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4838 Third Party Advisory