161 lines
6.1 KiB
JSON
161 lines
6.1 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-2026-103679",
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"assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
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"state": "PUBLISHED",
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"assignerShortName": "fedora",
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"dateReserved": "2026-10-01T09:06:43.923Z",
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"datePublished": "2026-10-01T11:34:50.120Z",
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"dateUpdated": "2026-10-01T14:59:49.129Z"
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},
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"containers": {
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"cna": {
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"title": "Tnef: use-after-free and double-free in get_body_files() via multi-value body extraction",
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"metrics": [
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{
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"other": {
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"content": {
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"value": "Moderate",
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"namespace": "https://access.redhat.com/security/updates/classification/"
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},
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"type": "Red Hat severity rating"
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}
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},
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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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"format": "CVSS"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A flaw was found in tnef. A remote attacker could exploit this vulnerability by providing a specially crafted Transport Neutral Encapsulation Format (TNEF) file containing multiple message bodies. During extraction, improper memory management triggers a use-after-free and double-free condition, causing the application to crash and resulting in a Denial of Service (DoS)."
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}
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],
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"affected": [
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{
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"versionType": "semver",
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"lessThanOrEqual": "1.4.18"
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}
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],
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"packageName": "tnef",
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"collectionURL": "https://github.com/verdammelt/tnef",
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"defaultStatus": "unaffected"
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}
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],
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"references": [
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{
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"url": "https://access.redhat.com/security/cve/CVE-2026-103679",
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"tags": [
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"vdb-entry",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2544477",
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"name": "RHBZ#2544477",
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"tags": [
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"issue-tracking",
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"x_refsource_REDHAT"
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]
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},
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{
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"url": "https://github.com/verdammelt/tnef"
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}
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],
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"datePublic": "2026-10-01T00:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-416",
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"description": "Use After Free",
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"lang": "en",
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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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"x_redhatCweChain": "CWE-416: Use After Free",
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"timeline": [
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{
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"lang": "en",
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"time": "2026-09-30T19:37:30.000Z",
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"value": "Reported to Red Hat."
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},
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{
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"lang": "en",
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"time": "2026-10-01T00:00:00.000Z",
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"value": "Made public."
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Red Hat would like to thank Julien Ahrens (RCE Security GmbH) for reporting this issue."
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}
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],
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"providerMetadata": {
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"orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
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"shortName": "fedora",
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"dateUpdated": "2026-10-01T11:34:50.120Z"
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},
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"x_generator": {
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"engine": "cvelib 1.8.0"
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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": "2026-10-01T14:59:32.309151Z",
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"id": "CVE-2026-103679",
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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": "2026-10-01T14:59:49.129Z"
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}
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}
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]
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}
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} |