CVE-2022-3559
highpriority · track · 32EPSS 0.050 · 92 %ileDEEURUUSEPSS · scored 2026-10-27
A vulnerability was found in Exim and classified as problematic. This issue affects some unknown processing of the component Regex Handler. The manipulation leads to use after free. The name of the patch is 4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2. It is recommended to apply a patch to fix this issue. The identifier VDB-211073 was assigned to this vulnerability.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-1757Exim: Schwachstelle ermöglicht nicht spezifizierten AngriffDeutsch2022-10-17csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in Exim ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (23)
External citations — patches, advisories, analysis.
- https://bugs.exim.org/show_bug.cgi?id=2915cnnvd
- https://cxsecurity.com/cveshow/CVE-2022-3559/cnnvd
- https://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TMQ6OCKPNPBPSD37YR4FOWV2R54M2UEP/cnnvd
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WFHLZVHNNO2GWYP5EA4TZQZ5O4GVPARR/cnnvd
- https://packetstormsecurity.com/files/170015/Ubuntu-Security-Notice-USN-5741-1.htmlcnnvd
- https://vigilance.fr/vulnerability/Exim-reuse-after-free-via-Regex-Variables-39587cnnvd
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