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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://cwe.mitre.org/data/definitions/762.htmlThird Party Advisory
- https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42Patch, Third Party Advisory
- https://github.com/Exim/exim/compare/exim-4.95...exim-4.96Release Notes, Third Party Advisory
- https://github.com/Exim/exim/wiki/EximSecurityRelease Notes, Third Party Advisory
- https://github.com/ivd38/exim_invalid_freeExploit, Patch, Third Party Advisory
- https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
- https://www.exim.org/static/doc/security/Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/06/1Mailing List, Third Party Advisory
- https://cwe.mitre.org/data/definitions/762.htmlThird Party Advisory
- https://github.com/Exim/exim/commit/51be321b27825c01829dffd90f11bfff256f7e42Patch, Third Party Advisory
- https://github.com/Exim/exim/compare/exim-4.95...exim-4.96Release Notes, Third Party Advisory
- https://github.com/Exim/exim/wiki/EximSecurityRelease Notes, Third Party Advisory
- https://github.com/ivd38/exim_invalid_freeExploit, Patch, Third Party Advisory
- https://lists.exim.org/lurker/message/20220625.141825.d6de6074.en.htmlMailing List, Release Notes, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LETR5CVDPFOFQHXCJP6NFLG52JZHQYDY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XSWDF4QEXD4TDWQLYQOWCHBJKTDQR4Z7/
- https://www.exim.org/static/doc/security/Vendor Advisory
- https://www.openwall.com/lists/oss-security/2022/08/06/1Mailing List, Third Party Advisory
Timeline
- Published
- Aug 6, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified