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.
https://www.openwall.com/lists/oss-security/2022/08/06/1
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
https://github.com/Exim/exim/wiki/EximSecurity
https://github.com/Exim/exim/compare/exim-4.95...exim-4.96
https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
https://cwe.mitre.org/data/definitions/762.html
https://www.exim.org/static/doc/security/
https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html
https://github.com/ivd38/exim_invalid_free
Source: Mitre, NVD
Published: 2022-08-06
Updated: 2023-11-07
Base Score: 7.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
Severity: High
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.03641