CVE-2007-2026
The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, wh...
Affects 2 products across 2 vendors.
This vulnerability was disclosed in 2007. A high severity vulnerability affects Amavis systems (CVE-2007-2026). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
BSID: BS-2007-GLOBAL-017638-H • Model: rule-based-v1 • Confidence: MEDIUM
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| CVE ID | CVE-2007-2026 |
|---|---|
| BSID | BS-2007-GLOBAL-017638-H BreachSpider Global ID |
| CVSS Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
| Published | 2007-04-13 |
| Last Modified | 2026-06-16 |
| ICS Relevance | 0% |
| Source | NVD |
The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS.
Source: NIST NVD / MITRE CVE Database
Vulnerability details: The gnu regular expression code in file 4.20 allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted document with a large number of line feed characters, which is not well handled by OS/2 REXX regular expressions that use wildcards, as originally reported for AMaViS. CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:C.
Exploitation Likelihood: MINIMAL
No official vendor advisory link on record. See the CVE record →
| CISA known-exploited | Not in KEV catalog |
|---|---|
| Public Exploit | Not confirmed |
| PoC Code | Not confirmed |
AI Enrichment Record — provenance & audit hash
| Model | rule-based-v1 |
|---|---|
| Confidence | MEDIUM |
| Enriched At | 2026-05-24 |
| SHA-512 Audit Hash | b8da4e9c34ec84a08fd35130b383774f9a908b6392a279ae3774da826bfd4ab6a22e93b9a28b33b855e5776c090be9cfdbac896ee602afed852d425a77901bb0 |
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