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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2025-53537

LibHTP is a security-aware parser for the HTTP protocol and its related bits and pieces. In versions 0.5.50 and below, there is a traffic-induced memory leak that can starve the process of memory, leading to loss of visibility. To workaround this issue, set `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. This issue is fixed in version 0.5.51.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 16.1%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-53537
  • Oisf » Libhtp » Version: N/A
    cpe:2.3:a:oisf:libhtp:-
  • Oisf » Libhtp » Version: 0.1
    cpe:2.3:a:oisf:libhtp:0.1
  • Oisf » Libhtp » Version: 0.1.0
    cpe:2.3:a:oisf:libhtp:0.1.0
  • Oisf » Libhtp » Version: 0.2.0
    cpe:2.3:a:oisf:libhtp:0.2.0
  • Oisf » Libhtp » Version: 0.2.1
    cpe:2.3:a:oisf:libhtp:0.2.1
  • Oisf » Libhtp » Version: 0.2.10
    cpe:2.3:a:oisf:libhtp:0.2.10
  • Oisf » Libhtp » Version: 0.2.11
    cpe:2.3:a:oisf:libhtp:0.2.11
  • Oisf » Libhtp » Version: 0.2.12
    cpe:2.3:a:oisf:libhtp:0.2.12
  • Oisf » Libhtp » Version: 0.2.13
    cpe:2.3:a:oisf:libhtp:0.2.13
  • Oisf » Libhtp » Version: 0.2.14
    cpe:2.3:a:oisf:libhtp:0.2.14
  • Oisf » Libhtp » Version: 0.2.2
    cpe:2.3:a:oisf:libhtp:0.2.2
  • Oisf » Libhtp » Version: 0.2.3
    cpe:2.3:a:oisf:libhtp:0.2.3
  • Oisf » Libhtp » Version: 0.2.4
    cpe:2.3:a:oisf:libhtp:0.2.4
  • Oisf » Libhtp » Version: 0.2.5
    cpe:2.3:a:oisf:libhtp:0.2.5
  • Oisf » Libhtp » Version: 0.2.6
    cpe:2.3:a:oisf:libhtp:0.2.6
  • Oisf » Libhtp » Version: 0.2.7
    cpe:2.3:a:oisf:libhtp:0.2.7
  • Oisf » Libhtp » Version: 0.2.8
    cpe:2.3:a:oisf:libhtp:0.2.8
  • Oisf » Libhtp » Version: 0.2.9
    cpe:2.3:a:oisf:libhtp:0.2.9
  • Oisf » Libhtp » Version: 0.3.0
    cpe:2.3:a:oisf:libhtp:0.3.0
  • Oisf » Libhtp » Version: 0.5.0
    cpe:2.3:a:oisf:libhtp:0.5.0
  • Oisf » Libhtp » Version: 0.5.1
    cpe:2.3:a:oisf:libhtp:0.5.1
  • Oisf » Libhtp » Version: 0.5.10
    cpe:2.3:a:oisf:libhtp:0.5.10
  • Oisf » Libhtp » Version: 0.5.11
    cpe:2.3:a:oisf:libhtp:0.5.11
  • Oisf » Libhtp » Version: 0.5.12
    cpe:2.3:a:oisf:libhtp:0.5.12
  • Oisf » Libhtp » Version: 0.5.13
    cpe:2.3:a:oisf:libhtp:0.5.13
  • Oisf » Libhtp » Version: 0.5.14
    cpe:2.3:a:oisf:libhtp:0.5.14
  • Oisf » Libhtp » Version: 0.5.15
    cpe:2.3:a:oisf:libhtp:0.5.15
  • Oisf » Libhtp » Version: 0.5.16
    cpe:2.3:a:oisf:libhtp:0.5.16
  • Oisf » Libhtp » Version: 0.5.17
    cpe:2.3:a:oisf:libhtp:0.5.17
  • Oisf » Libhtp » Version: 0.5.18
    cpe:2.3:a:oisf:libhtp:0.5.18
  • Oisf » Libhtp » Version: 0.5.19
    cpe:2.3:a:oisf:libhtp:0.5.19
  • Oisf » Libhtp » Version: 0.5.2
    cpe:2.3:a:oisf:libhtp:0.5.2
  • Oisf » Libhtp » Version: 0.5.20
    cpe:2.3:a:oisf:libhtp:0.5.20
  • Oisf » Libhtp » Version: 0.5.21
    cpe:2.3:a:oisf:libhtp:0.5.21
  • Oisf » Libhtp » Version: 0.5.22
    cpe:2.3:a:oisf:libhtp:0.5.22
  • Oisf » Libhtp » Version: 0.5.23
    cpe:2.3:a:oisf:libhtp:0.5.23
  • Oisf » Libhtp » Version: 0.5.24
    cpe:2.3:a:oisf:libhtp:0.5.24
  • Oisf » Libhtp » Version: 0.5.25
    cpe:2.3:a:oisf:libhtp:0.5.25
  • Oisf » Libhtp » Version: 0.5.26
    cpe:2.3:a:oisf:libhtp:0.5.26
  • Oisf » Libhtp » Version: 0.5.27
    cpe:2.3:a:oisf:libhtp:0.5.27
  • Oisf » Libhtp » Version: 0.5.28
    cpe:2.3:a:oisf:libhtp:0.5.28
  • Oisf » Libhtp » Version: 0.5.29
    cpe:2.3:a:oisf:libhtp:0.5.29
  • Oisf » Libhtp » Version: 0.5.3
    cpe:2.3:a:oisf:libhtp:0.5.3
  • Oisf » Libhtp » Version: 0.5.30
    cpe:2.3:a:oisf:libhtp:0.5.30
  • Oisf » Libhtp » Version: 0.5.31
    cpe:2.3:a:oisf:libhtp:0.5.31
  • Oisf » Libhtp » Version: 0.5.32
    cpe:2.3:a:oisf:libhtp:0.5.32
  • Oisf » Libhtp » Version: 0.5.33
    cpe:2.3:a:oisf:libhtp:0.5.33
  • Oisf » Libhtp » Version: 0.5.34
    cpe:2.3:a:oisf:libhtp:0.5.34
  • Oisf » Libhtp » Version: 0.5.35
    cpe:2.3:a:oisf:libhtp:0.5.35
  • Oisf » Libhtp » Version: 0.5.36
    cpe:2.3:a:oisf:libhtp:0.5.36
  • Oisf » Libhtp » Version: 0.5.37
    cpe:2.3:a:oisf:libhtp:0.5.37
  • Oisf » Libhtp » Version: 0.5.38
    cpe:2.3:a:oisf:libhtp:0.5.38
  • Oisf » Libhtp » Version: 0.5.39
    cpe:2.3:a:oisf:libhtp:0.5.39
  • Oisf » Libhtp » Version: 0.5.4
    cpe:2.3:a:oisf:libhtp:0.5.4
  • Oisf » Libhtp » Version: 0.5.40
    cpe:2.3:a:oisf:libhtp:0.5.40
  • Oisf » Libhtp » Version: 0.5.41
    cpe:2.3:a:oisf:libhtp:0.5.41
  • Oisf » Libhtp » Version: 0.5.42
    cpe:2.3:a:oisf:libhtp:0.5.42
  • Oisf » Libhtp » Version: 0.5.43
    cpe:2.3:a:oisf:libhtp:0.5.43
  • Oisf » Libhtp » Version: 0.5.44
    cpe:2.3:a:oisf:libhtp:0.5.44
  • Oisf » Libhtp » Version: 0.5.45
    cpe:2.3:a:oisf:libhtp:0.5.45
  • Oisf » Libhtp » Version: 0.5.46
    cpe:2.3:a:oisf:libhtp:0.5.46
  • Oisf » Libhtp » Version: 0.5.47
    cpe:2.3:a:oisf:libhtp:0.5.47
  • Oisf » Libhtp » Version: 0.5.48
    cpe:2.3:a:oisf:libhtp:0.5.48
  • Oisf » Libhtp » Version: 0.5.49
    cpe:2.3:a:oisf:libhtp:0.5.49
  • Oisf » Libhtp » Version: 0.5.5
    cpe:2.3:a:oisf:libhtp:0.5.5
  • Oisf » Libhtp » Version: 0.5.6
    cpe:2.3:a:oisf:libhtp:0.5.6
  • Oisf » Libhtp » Version: 0.5.7
    cpe:2.3:a:oisf:libhtp:0.5.7
  • Oisf » Libhtp » Version: 0.5.8
    cpe:2.3:a:oisf:libhtp:0.5.8
  • Oisf » Libhtp » Version: 0.5.9
    cpe:2.3:a:oisf:libhtp:0.5.9


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