HighFix available
apache2 — security advisory
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
- Products
- apache2
- Affected versions
- Not specified
- Fixed versions
- 2.4.48-r0
- CVEs
- CVE-2021-26690
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:03 UTC · Revision 1
Source evidence
Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
osv:ALPINE-CVE-2021-26690
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
apache2
Fixed versions: 2.4.48-r0
Complete source record
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"modified": "2026-10-23T17:17:56.163144507Z",
"provider": "osv",
"upstream": [
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"references": [
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},
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"evidence": "/upstream"
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"source_id": "core-osv",
"document_id": 415351,
"published_at": "2021-06-10T07:15:07.543+00:00"
}