UnratedFix available
wireshark: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-6868: stop reusing the X.25 conversation after dissecting IP so subdissectors do not read past a stack variable - CVE-2026-6535: prevent integer overflows when sizing and accumulating the zlib decompression buffer
- Products
- wireshark, wireshark-cli, wireshark-devel
- Affected versions
- Not specified
- Fixed versions
- 1:3.4.10-7.el9_6.tuxcare.els9
- CVEs
- CVE-2026-6535, CVE-2026-6868
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:52 UTC · Revision 1
Source evidence
- CVE-2026-6868: stop reusing the X.25 conversation after dissecting IP so subdissectors do not read past a stack variable - CVE-2026-6535: prevent integer overflows when sizing and accumulating the zlib decompression buffer
osv:CLSA-2026-1785564050
wireshark
Fixed versions: 1:3.4.10-7.el9_6.tuxcare.els9
wireshark-cli
Fixed versions: 1:3.4.10-7.el9_6.tuxcare.els9
wireshark-devel
Fixed versions: 1:3.4.10-7.el9_6.tuxcare.els9
Complete source record
{
"id": "1e0d7333abe6609695e26929c881187e288c0c6d5c947b1d5adfc2c331df4723",
"url": "https://osv.dev/vulnerability/CLSA-2026-1785564050",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "wireshark: Fix of 2 CVEs",
"summary": "- CVE-2026-6868: stop reusing the X.25 conversation after dissecting IP so subdissectors do not read past a stack variable - CVE-2026-6535: prevent integer overflows when sizing and accumulating the zlib decompression buffer",
"evidence": "osv:CLSA-2026-1785564050",
"products": [
{
"name": {
"value": "wireshark",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:3.4.10-7.el9_6.tuxcare.els9",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "wireshark-cli",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:3.4.10-7.el9_6.tuxcare.els9",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "wireshark-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:3.4.10-7.el9_6.tuxcare.els9",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1785564050",
"aliases": [
"CLSA-2026-1785564050"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:3.4.10-7.el9_6.tuxcare.els9"
}
]
}
],
"package": {
"name": "wireshark",
"purl": "pkg:rpm/tuxcare/wireshark?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785564050.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:3.4.10-7.el9_6.tuxcare.els9"
}
]
}
],
"package": {
"name": "wireshark-cli",
"purl": "pkg:rpm/tuxcare/wireshark-cli?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785564050.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:3.4.10-7.el9_6.tuxcare.els9"
}
]
}
],
"package": {
"name": "wireshark-devel",
"purl": "pkg:rpm/tuxcare/wireshark-devel?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1785564050.json"
}
}
],
"modified": "2026-10-26T09:43:37.448529542Z",
"provider": "osv",
"upstream": [
"CVE-2026-6535",
"CVE-2026-6868"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1785564050.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6535",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6868"
]
},
"related_cves": [
{
"value": "CVE-2026-6535",
"evidence": "/upstream"
},
{
"value": "CVE-2026-6868",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450036,
"published_at": "2026-08-01T06:01:01+00:00"
}