Vulnerability Details CVE-2026-57226
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.17 and 8.0.6, HTTP SWF decompression with the non-default swf-decompression feature and an unsafe decompress-depth can use the configured depth when allocating in src/util-file-decompression.c instead of limiting the allocation to the Flash file's actual data requirement. A crafted SWF response can therefore trigger an integer-related heap buffer overflow and crash Suricata; the default disabled feature and default depth are not affected. This issue is fixed in versions 8.0.6 and 7.0.17.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 43.9%
CVSS Severity
CVSS v3 Score 3.7
Products affected by CVE-2026-57226
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cpe:2.3:a:oisf:suricata:-
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cpe:2.3:a:oisf:suricata:0.8.2
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cpe:2.3:a:oisf:suricata:1.0.0
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cpe:2.3:a:oisf:suricata:1.0.1
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cpe:2.3:a:oisf:suricata:1.0.2
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cpe:2.3:a:oisf:suricata:1.0.3
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cpe:2.3:a:oisf:suricata:1.0.4
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cpe:2.3:a:oisf:suricata:1.0.5
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cpe:2.3:a:oisf:suricata:1.1
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cpe:2.3:a:oisf:suricata:1.1.1
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cpe:2.3:a:oisf:suricata:1.2
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cpe:2.3:a:oisf:suricata:1.2.1
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cpe:2.3:a:oisf:suricata:1.3
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cpe:2.3:a:oisf:suricata:1.3.1
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cpe:2.3:a:oisf:suricata:1.3.2
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cpe:2.3:a:oisf:suricata:1.3.3
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cpe:2.3:a:oisf:suricata:1.3.4
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cpe:2.3:a:oisf:suricata:1.3.5
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cpe:2.3:a:oisf:suricata:1.3.6
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cpe:2.3:a:oisf:suricata:1.4
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cpe:2.3:a:oisf:suricata:1.4.1
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cpe:2.3:a:oisf:suricata:1.4.2
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cpe:2.3:a:oisf:suricata:1.4.3
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cpe:2.3:a:oisf:suricata:1.4.4
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cpe:2.3:a:oisf:suricata:1.4.5
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cpe:2.3:a:oisf:suricata:1.4.6
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cpe:2.3:a:oisf:suricata:1.4.7
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cpe:2.3:a:oisf:suricata:2.0
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cpe:2.3:a:oisf:suricata:2.0.1
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cpe:2.3:a:oisf:suricata:2.0.10
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cpe:2.3:a:oisf:suricata:2.0.11
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cpe:2.3:a:oisf:suricata:2.0.2
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cpe:2.3:a:oisf:suricata:2.0.3
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cpe:2.3:a:oisf:suricata:2.0.4
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cpe:2.3:a:oisf:suricata:2.0.5
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cpe:2.3:a:oisf:suricata:2.0.6
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cpe:2.3:a:oisf:suricata:2.0.7
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cpe:2.3:a:oisf:suricata:2.0.8
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cpe:2.3:a:oisf:suricata:2.0.9
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cpe:2.3:a:oisf:suricata:2.1
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cpe:2.3:a:oisf:suricata:3.0
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cpe:2.3:a:oisf:suricata:3.0.1
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cpe:2.3:a:oisf:suricata:3.0.2
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cpe:2.3:a:oisf:suricata:3.1
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cpe:2.3:a:oisf:suricata:3.1.1
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cpe:2.3:a:oisf:suricata:3.1.2
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cpe:2.3:a:oisf:suricata:3.1.3
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cpe:2.3:a:oisf:suricata:3.1.4
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cpe:2.3:a:oisf:suricata:3.2
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cpe:2.3:a:oisf:suricata:3.2.1
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cpe:2.3:a:oisf:suricata:3.2.2
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cpe:2.3:a:oisf:suricata:3.2.3
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cpe:2.3:a:oisf:suricata:3.2.4
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cpe:2.3:a:oisf:suricata:3.2.5
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cpe:2.3:a:oisf:suricata:4.0.0
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cpe:2.3:a:oisf:suricata:4.0.1
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cpe:2.3:a:oisf:suricata:4.0.2
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cpe:2.3:a:oisf:suricata:4.0.3
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cpe:2.3:a:oisf:suricata:4.0.4
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cpe:2.3:a:oisf:suricata:4.0.5
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cpe:2.3:a:oisf:suricata:4.0.6
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cpe:2.3:a:oisf:suricata:4.0.7
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cpe:2.3:a:oisf:suricata:4.1.0
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cpe:2.3:a:oisf:suricata:4.1.1
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cpe:2.3:a:oisf:suricata:4.1.10
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cpe:2.3:a:oisf:suricata:4.1.2
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cpe:2.3:a:oisf:suricata:4.1.3
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cpe:2.3:a:oisf:suricata:4.1.4
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cpe:2.3:a:oisf:suricata:4.1.5
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cpe:2.3:a:oisf:suricata:4.1.6
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cpe:2.3:a:oisf:suricata:4.1.7
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cpe:2.3:a:oisf:suricata:4.1.8
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cpe:2.3:a:oisf:suricata:4.1.9
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cpe:2.3:a:oisf:suricata:5.0.0
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cpe:2.3:a:oisf:suricata:5.0.1
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cpe:2.3:a:oisf:suricata:5.0.10
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cpe:2.3:a:oisf:suricata:5.0.2
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cpe:2.3:a:oisf:suricata:5.0.3
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cpe:2.3:a:oisf:suricata:5.0.4
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cpe:2.3:a:oisf:suricata:5.0.5
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cpe:2.3:a:oisf:suricata:5.0.6
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cpe:2.3:a:oisf:suricata:5.0.7
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cpe:2.3:a:oisf:suricata:5.0.8
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cpe:2.3:a:oisf:suricata:5.0.9
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cpe:2.3:a:oisf:suricata:6.0.0
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cpe:2.3:a:oisf:suricata:6.0.1
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cpe:2.3:a:oisf:suricata:6.0.10
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cpe:2.3:a:oisf:suricata:6.0.11
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cpe:2.3:a:oisf:suricata:6.0.12
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cpe:2.3:a:oisf:suricata:6.0.13
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cpe:2.3:a:oisf:suricata:6.0.14
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cpe:2.3:a:oisf:suricata:6.0.15
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cpe:2.3:a:oisf:suricata:6.0.16
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cpe:2.3:a:oisf:suricata:6.0.17
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cpe:2.3:a:oisf:suricata:6.0.18
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cpe:2.3:a:oisf:suricata:6.0.19
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cpe:2.3:a:oisf:suricata:6.0.2
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cpe:2.3:a:oisf:suricata:6.0.20
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cpe:2.3:a:oisf:suricata:6.0.3
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cpe:2.3:a:oisf:suricata:6.0.4
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cpe:2.3:a:oisf:suricata:6.0.5
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cpe:2.3:a:oisf:suricata:6.0.6
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cpe:2.3:a:oisf:suricata:6.0.7
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cpe:2.3:a:oisf:suricata:6.0.8
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cpe:2.3:a:oisf:suricata:6.0.9
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cpe:2.3:a:oisf:suricata:7.0.0
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cpe:2.3:a:oisf:suricata:7.0.1
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cpe:2.3:a:oisf:suricata:7.0.10
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cpe:2.3:a:oisf:suricata:7.0.11
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cpe:2.3:a:oisf:suricata:7.0.12
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cpe:2.3:a:oisf:suricata:7.0.13
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cpe:2.3:a:oisf:suricata:7.0.14
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cpe:2.3:a:oisf:suricata:7.0.15
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cpe:2.3:a:oisf:suricata:7.0.16
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cpe:2.3:a:oisf:suricata:7.0.2
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cpe:2.3:a:oisf:suricata:7.0.3
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cpe:2.3:a:oisf:suricata:7.0.4
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cpe:2.3:a:oisf:suricata:7.0.5
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cpe:2.3:a:oisf:suricata:7.0.6
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cpe:2.3:a:oisf:suricata:7.0.7
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cpe:2.3:a:oisf:suricata:7.0.8
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cpe:2.3:a:oisf:suricata:7.0.9
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cpe:2.3:a:oisf:suricata:8.0.0
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cpe:2.3:a:oisf:suricata:8.0.1
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cpe:2.3:a:oisf:suricata:8.0.2
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cpe:2.3:a:oisf:suricata:8.0.3
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cpe:2.3:a:oisf:suricata:8.0.4
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cpe:2.3:a:oisf:suricata:8.0.5