CVE-2022-3559

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

5.01% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 92.1% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-10-17 00:00Z4 YR AGO

Last updated

2025-11-03 21:46Z11 MO AGO

Reserved

2022-10-17

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 4.6)

CNA CVSS vector

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-416Use After FreeVariant

Data version

5.2

Document digest

93329f1042ace27b630a004b5e6595457492ae11d1ff49134d8dc6f9f5d776dc

• git.exim.orghttps://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2
• vuldb.comhttps://vuldb.com/?id.211073
• bugs.exim.orghttps://bugs.exim.org/show_bug.cgi?id=2915
• lists.fedoraproject.orgFEDORA-2022-6125582f45https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WFHLZVHNNO2GWYP5EA4TZQZ5O4GVPARR/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-ebb3db782chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMQ6OCKPNPBPSD37YR4FOWV2R54M2UEP/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-90e08c08e6https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/vendor-advisory
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/10/msg00029.html