132 lines
5.6 KiB
JSON
132 lines
5.6 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-24401",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-01-22T18:19:49.172Z",
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"datePublished": "2026-01-24T01:25:02.294Z",
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"dateUpdated": "2026-10-23T15:54:16.116Z"
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},
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"containers": {
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"cna": {
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"title": "Avahi has Uncontrolled Recursion in lookup_handle_cname function",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-674",
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"lang": "en",
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"description": "CWE-674: Uncontrolled Recursion",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "HIGH",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/avahi/avahi/security/advisories/GHSA-h4vp-5m8j-f6w3",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/avahi/avahi/security/advisories/GHSA-h4vp-5m8j-f6w3"
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},
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{
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"name": "https://github.com/avahi/avahi/issues/501",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/avahi/avahi/issues/501"
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},
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{
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"name": "https://github.com/avahi/avahi/commit/78eab31128479f06e30beb8c1cbf99dd921e2524",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/avahi/avahi/commit/78eab31128479f06e30beb8c1cbf99dd921e2524"
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}
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],
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"affected": [
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{
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"vendor": "avahi",
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"product": "avahi",
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"versions": [
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{
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"version": "< 0.9-rc3",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-10-23T15:54:16.116Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonical name point to the same domain (e.g., \"h.local\" as a CNAME for \"h.local\"). This causes unbounded recursion in the lookup_handle_cname function, leading to stack exhaustion. The vulnerability affects record browsers where AVAHI_LOOKUP_USE_MULTICAST is set explicitly, which includes record browsers created by resolvers used by nss-mdns. This issue is patched in commit 78eab31128479f06e30beb8c1cbf99dd921e2524, which is part of version 0.9-rc3."
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}
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],
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"source": {
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"advisory": "GHSA-h4vp-5m8j-f6w3",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-01-26T16:14:24.982686Z",
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"id": "CVE-2026-24401",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-01-26T16:17:24.487Z"
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}
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}
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]
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}
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} |