Suricata decode_base64: signature can do large memory allocation
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| OISF | suricata | affected |
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No data.
No data available yet.
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-10710 | Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.274% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Oisf
Oisf suricata |
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| CPEs | cpe:2.3:a:oisf:suricata:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Oisf
Oisf suricata |
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. The bytes setting in the decode_base64 keyword is not properly limited. Due to this, signatures using the keyword and setting can cause large memory allocations of up to 4 GiB per thread. This vulnerability is fixed in 7.0.9. | |
| Title | Suricata decode_base64: signature can do large memory allocation | |
| Weaknesses | CWE-770 | |
| References |
| |
| Metrics |
cvssV3_1
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