Medium
Exim Regex use after free
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-3559
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 06:27 UTC · Revision 1
Source evidence
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.
osv:CVE-2022-3559
Complete source record
{
"id": "460ac084fb1eb9776aa73e00c8c90fb3bae26bb3058b908aa196b0f4324089ba",
"url": "https://osv.dev/vulnerability/CVE-2022-3559",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Exim Regex use after free",
"summary": "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.",
"evidence": "osv:CVE-2022-3559",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2022-3559",
"aliases": [
"CVE-2022-3559"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/exim/exim",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "107077d7fd6736711bf5cd980221723401d37c51"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.97"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"exim-4.97-RC2",
"exim-4.96",
"exim-4.97-RC1",
"exim-4.97-RC0",
"exim-4.95",
"exim-4.96-RC2",
"exim-4.96-RC1",
"exim-4.96-RC0",
"exim-4.95-RC2",
"exim-4.95-RC1",
"exim-4.95-RC0",
"exim-4.94",
"exim-4.94-RC2",
"exim-4.94-RC1",
"exim-4_94_RC0",
"exim-4.93",
"exim-4.93-RC7",
"exim-4.93-RC6",
"exim-4.93-RC5",
"exim-4.93-RC4",
"exim-4.93-RC3",
"exim-4.93-RC2",
"exim-4.93-RC1",
"exim-4.93-RC0",
"exim-4.92-jgh",
"exim-4.92-RC6",
"exim-4.92",
"exim-4.92-RC5",
"exim-4.92-RC4",
"exim-4.92-RC3",
"exim-4.92-RC2",
"exim-4.92-RC1",
"exim-4_91",
"exim-4_91_RC4",
"exim-4_91_RC3",
"exim-4_91_RC2",
"exim-4_91_RC1",
"exim-4_90_RC4",
"exim-4_90",
"exim-4_90_RC3",
"exim-4_90_RC2",
"exim-4_90_RC1",
"exim-4.90devstart",
"exim-4_89_RC3",
"exim-4_89_RC1",
"exim-4_88",
"exim-4_87",
"exim-4_88_RC6",
"exim-4_88_RC5",
"exim-4_88_RC4",
"exim-4_88_RC3",
"exim-4_88_RC2",
"exim-4_88_RC1",
"exim-4_87_RC7",
"exim-4_87_RC6",
"exim-4_87_RC5",
"exim-4_87_RC4",
"exim-4_84",
"exim-4_86",
"exim-4_85",
"exim-4_87_RC3",
"exim-4_87_RC2",
"exim-4_87_RC1",
"exim-4_86_RC5",
"exim-4_86_RC4",
"exim-4_86_RC3",
"exim-4_86_RC2",
"exim-4_86_RC1",
"exim-4_85_RC4",
"exim-4_85_RC3",
"exim-4_85_RC2",
"exim-4_85_RC1",
"exim-4_84_RC2",
"exim-4_84_RC1",
"exim-4_83",
"exim-4_83_RC3",
"exim-4_83_RC2",
"exim-4_83_RC1",
"exim-4_82",
"exim-4_82_RC5",
"exim-4_82_RC4",
"exim-4_82_RC3",
"exim-4_82_RC2",
"exim-4_82_RC1",
"exim-4_80",
"exim-4_80_RC7",
"exim-4_80_RC6",
"exim-4_80_RC5",
"exim-4_80_RC4",
"exim-4_80_RC3",
"exim-4_80_RC2",
"exim-4_80_RC1",
"exim-4_77",
"exim-4_77_RC4",
"exim-4_77_RC3",
"exim-4_77_RC2",
"exim-4_77_RC1",
"exim-4_76",
"exim-4_76_RC2",
"exim-4_76_RC1",
"exim-4_75",
"exim-4_75_RC3",
"exim-4_75_RC2",
"exim-4_75_RC1",
"exim-4_74",
"exim-4_74_RC1",
"exim-4_73",
"exim-4_73_RC1",
"exim-4_73_RC00",
"exim-4_72",
"exim-4_72_RC2",
"exim-4_72_RC1",
"exim-4_71",
"exim-4_70",
"exim-4_70_RC4",
"exim-4_70_RC3",
"DEVEL_PDKIM_START",
"exim-4_69",
"exim-4_68",
"exim-4_67",
"exim-4_66",
"exim-4_65",
"exim-4_64",
"exim-4_63",
"exim-4_62",
"exim-4_61",
"exim-4_54",
"exim-4_53",
"exim-4_52",
"exim-4_51",
"exim-4_50"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-3559.json"
}
}
],
"modified": "2026-10-28T02:30:49.812887085Z",
"provider": "osv",
"references": [
"https://bugs.exim.org/show_bug.cgi?id=2915",
"https://git.exim.org/exim.git/commit/4e9ed49f8f12eb331b29bd5b6dc3693c520fddc2",
"https://lists.debian.org/debian-lts-announce/2024/10/msg00029.html",
"https://vuldb.com/?id.211073",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3559.json",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EIH4W5R7SHTUEQFWWKB4TUO5YFZX64KV/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMQ6OCKPNPBPSD37YR4FOWV2R54M2UEP/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WFHLZVHNNO2GWYP5EA4TZQZ5O4GVPARR/",
"https://nvd.nist.gov/vuln/detail/CVE-2022-3559"
],
"provider_metadata": {
"cwe_ids": [
"CWE-119"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/3xxx/CVE-2022-3559.json"
}
},
"related_cves": [
{
"value": "CVE-2022-3559",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 518493,
"published_at": "2022-10-17T00:00:00+00:00"
}