It was discovered that Exim incorrectly handled certain regular expressions. An attacker could use this issue to cause Exim to crash, resulting in a denial of service, or possibly execute arbitrary code.
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{
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"severity": [
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
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{
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"type": "CVSS_V3"
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{
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"type": "Ubuntu"
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],
"id": "CVE-2022-3559"
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{
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"type": "CVSS_V3"
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"type": "CVSS_V3"
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{
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"id": "CVE-2022-3559"
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"type": "CVSS_V3"
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"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
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"type": "Ubuntu"
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],
"id": "CVE-2022-3559"
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}