CVE-2007-2026

HIGH

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.

CVSS 2.07.8
EPSS2.1%
Percentile81th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no confidentiality impact, no integrity impact.
◆ AI Analysis — automated analysis, not human-reviewed

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

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2007-2026?
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.
What is the CVSS score for CVE-2007-2026?
CVE-2007-2026 has CVSS 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. EPSS: 2.1%.
Is CVE-2007-2026 actively exploited?
No confirmed active exploitation of CVE-2007-2026 as of 2026-09-25.
How do I remediate CVE-2007-2026?
Priority: MEDIUM.
What systems are affected by CVE-2007-2026?
CVE-2007-2026 affects Amavis Virus Scanner; Gentoo File.
Vulnerability Details
CVE IDCVE-2007-2026
BSIDBS-2007-GLOBAL-017638-H BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Published2007-04-13
Last Modified2026-06-16
ICS Relevance0%
SourceNVD
Official Description

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

Attack Vector Analysis — CITED Relevance

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

Affected Products
VendorProductAffected Versions
Amavis Virus Scanner All versions
Gentoo File 4.20
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 7125 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hashb8da4e9c34ec84a08fd35130b383774f9a908b6392a279ae3774da826bfd4ab6a22e93b9a28b33b855e5776c090be9cfdbac896ee602afed852d425a77901bb0
Related CVEs affecting Amavis
CVE-1999-1512 10.0 The AMaViS virus scanner 0.2.0-pre4 and earlier allows remote attackers to ex... CVE-2007-1669 7.8 zoo decoder 2.10 (zoo-2.10), as used in multiple products including (1) Barra... CVE-2007-1673 7.8 unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, all... CVE-2024-28054 7.4 Amavis before 2.12.3 and 2.13.x before 2.13.1, in part because of its use of ... CVE-2002-1109 2.1 securetar, as used in AMaViS shell script 0.2.1 and earlier, allows users to ...
View all Amavis CVEs →

ICS/OT Vulnerability Intelligence for Your Environment

BreachSpider tracks 384,000+ CVEs and matches them to your ICS/OT assets by exact version, with AI analysis, NERC CIP mapping, and vendor PSIRT contacts.

Create a free account →