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CVE-2026-105239 Apache log4net: NUL character truncates EventLogAppender records

🗓️ 06 Oct 2026 19:46:33Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

NUL character in EventLogAppender of Apache log4net truncates records on Windows.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-105239
7 Oct 202605:33
–circl
cve
CVE
CVE-2026-105239
6 Oct 202619:46
–cve
debiancve
Debian CVE
CVE-2026-105239
6 Oct 202619:46
–debiancve
euvd
EUVD
EUVD-2026-93863
6 Oct 202619:46
–euvd
mend
Mend
CVE-2026-105239
6 Oct 202619:46
–mend
nvd
NVD
CVE-2026-105239
6 Oct 202620:17
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-105239
6 Oct 202620:17
–osv_debian
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-105239
6 Oct 202620:17
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-107179
6 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-105239: Improper Neutralization of Null Byte or NUL Character
6 Oct 202600:00
–rapid7
Rows per page
[
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache log4net",
    "packageURL": "pkg:nuget/log4net",
    "versions": [
      {
        "status": "affected",
        "version": "1.2.9",
        "lessThan": "3.5.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected",
    "collectionURL": "https://nuget.org/packages",
    "packageName": "log4net"
  },
  {
    "vendor": "Apache Software Foundation",
    "product": "Apache log4net",
    "packageURL": "pkg:nuget/log4net",
    "repo": "https://gitbox.apache.org/repos/asf/logging-log4net.git",
    "versions": [
      {
        "status": "affected",
        "version": "02e1e115435888485f2e28b414d267e39e799e07",
        "lessThan": "dc5855a0720c91590fd7a81d729ea01fdd69e000",
        "versionType": "git"
      }
    ],
    "defaultStatus": "unaffected",
    "collectionURL": "https://nuget.org/packages",
    "packageName": "log4net"
  }
]

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06 Oct 2026 19:46Current
CVSS 3.15.3
EPSS0.00823
SSVC
53