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CVE-2026-55556 Rsyslog: Heap buffer overflow in imhttp plugin Basic Authentication handling

🗓️ 18 Sep 2026 16:53:29Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Unauthenticated heap buffer overflow in Rsyslog imhttp via oversized Basic Auth crashes process.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-55556
23 Jun 202616:19
circl
cve
CVE
CVE-2026-55556
18 Sep 202616:53
cve
debiancve
Debian CVE
CVE-2026-55556
18 Sep 202616:53
debiancve
euvd
EUVD
EUVD-2026-83184
18 Sep 202616:53
euvd
nvd
NVD
CVE-2026-55556
18 Sep 202617:16
nvd
osv
OSV
DEBIAN-CVE-2026-55556
18 Sep 202617:16
osv
osv
OSV
UBUNTU-CVE-2026-55556
24 Jun 202600:00
osv
ptsecurity
Positive Technologies
PT-2026-52219
25 Jun 202600:00
ptsecurity
susecve
SUSE CVE
SUSE CVE-2026-55556
24 Jun 202602:34
susecve
ubuntucve
UbuntuCve
CVE-2026-55556
24 Jun 202600:00
ubuntucve
Rows per page
[
  {
    "vendor": "rsyslog",
    "product": "rsyslog",
    "versions": [
      {
        "version": ">= 8.2110.0, < 8.2604.0",
        "status": "affected"
      }
    ]
  }
]

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