CVEvulnerability
CVE-2022-37451
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-08-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-763
Description
Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because store_free is not used after store_malloc.
Affected configurations
• exim exim (< 4.96)
• fedoraproject fedora 35
• fedoraproject fedora 36
Related
Weakness · CWE (1)
- CWE-763 Release of Invalid Pointer or Reference weakness
References
- https://cwe.mitre.org/data/definitions/762.html Third Party Advisory
- https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 Patch, Third Party Advisory
- https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 Release Notes, Third Party Advisory
- https://github.com/Exim/exim/wiki/EximSecurity Release Notes, Third Party Advisory
- https://github.com/ivd38/exim_invalid_free Exploit, Patch, Third Party Advisory
- https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html Mailing List, Release Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ lists.fedoraproject.org
- https://www.exim.org/static/doc/security/ Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/06/1 Mailing List, Third Party Advisory
- https://cwe.mitre.org/data/definitions/762.html Third Party Advisory
- https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42 Patch, Third Party Advisory
- https://github.com/Exim/exim/compare/exim-4.95...exim-4.96 Release Notes, Third Party Advisory
- https://github.com/Exim/exim/wiki/EximSecurity Release Notes, Third Party Advisory
- https://github.com/ivd38/exim_invalid_free Exploit, Patch, Third Party Advisory
- https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html Mailing List, Release Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/ lists.fedoraproject.org
- https://www.exim.org/static/doc/security/ Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/06/1 Mailing List, Third Party Advisory