CVE-2022-37451 — Release of Invalid Pointer or Reference in Exim

CWE-763 — Release of Invalid Pointer or Reference6 documents6 sources
Severity
7.5HIGHNVD
EPSS
6.1%
top 9.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
EximFedoraproject Fedora
Timeline
PublishedAug 6
Latest updateAug 7

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDexim/exim< 4.96

Also affects: Fedora 35, 36

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-968g-c3p8-6hvf: Exim before 4↗2022-08-07
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OSV
CVE-2022-37451: Exim before 4↗2022-08-06
▶
CVEList
CVE-2022-37451: Exim before 4↗2022-08-06
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📋Vendor Advisories

2
Red Hat
Exim: Exim before 4.96 has an invalid free in pam_converse↗2022-08-06
▶
Debian
CVE-2022-37451: exim4 - Exim before 4.96 has an invalid free in pam_converse in auths/call_pam.c because...↗2022
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