CVE-2022-37451

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 Platforms

Weakness Type

CWE-763

References

• https://cwe.mitre.org/data/definitions/762.html
• https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42
• https://github.com/Exim/exim/compare/exim-4.95...exim-4.96
• https://github.com/Exim/exim/wiki/EximSecurity
• https://github.com/ivd38/exim_invalid_free
• https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.html