The compression code in MaraDNS before 0.9.01 allows remote attackers to cause a denial…
Priority LOW 26Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
The compression code in MaraDNS before 0.9.01 allows remote attackers to cause a denial of service via crafted DNS packets.
Why it matters now
EPSS 0.01616 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:maradns:maradns:0.5.28:*:*:*:*:*:*:* | 0.5.28 | Vulnerable | MaraDNS |
| cpe:2.3:a:maradns:maradns:0.5.29:*:*:*:*:*:*:* | 0.5.29 | Vulnerable | MaraDNS |
| cpe:2.3:a:maradns:maradns:0.5.30:*:*:*:*:*:*:* | 0.5.30 | Vulnerable | MaraDNS |
| cpe:2.3:a:maradns:maradns:0.8.99:*:*:*:*:*:*:* | 0.8.99 | Vulnerable | MaraDNS |
| cpe:2.3:a:maradns:maradns:0.9.00:*:*:*:*:*:*:* | 0.9.00 | Vulnerable | MaraDNS |
- cpe:2.3:a:maradns:maradns:0.5.28:*:*:*:*:*:*:* Versions 0.5.28 Vulnerable ·MaraDNS
- cpe:2.3:a:maradns:maradns:0.5.29:*:*:*:*:*:*:* Versions 0.5.29 Vulnerable ·MaraDNS
- cpe:2.3:a:maradns:maradns:0.5.30:*:*:*:*:*:*:* Versions 0.5.30 Vulnerable ·MaraDNS
- cpe:2.3:a:maradns:maradns:0.8.99:*:*:*:*:*:*:* Versions 0.8.99 Vulnerable ·MaraDNS
- cpe:2.3:a:maradns:maradns:0.9.00:*:*:*:*:*:*:* Versions 0.9.00 Vulnerable ·MaraDNS
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-2097
- 2026-10-03 Alias added: GHSA-q8x4-6vcv-jjgf
References
—
More Maradns vulnerabilities
- TI-2023-14847 MaraDNS Integer Underflow Vulnerability in DNS Packet Decompression CVSS 3.1HIGH 7.5
- TI-2022-12502 An issue was discovered in MaraDNS Deadwood through 3.5.0021 that allows variant V1 of… CVSS 3.1HIGH 7.5
- TI-2011-00447 The compress_add_dlabel_points function in dns/Compress.c in MaraDNS 1.4.03, 1.4.05, and… CVSS 2.0HIGH 7.5
- TI-2012-00024 MaraDNS before 1.3.07.12 and 1.4.x before 1.4.08 computes hash values for DNS data… CVSS 2.0HIGH 7.8
- TI-2007-03013 Multiple memory leaks in server/MaraDNS.c in MaraDNS before 1.2.12.06, and 1.3.x before… CVSS 2.0HIGH 7.8
- TI-2004-00727 Multiple implementations of the DNS protocol, including (1) Poslib 1.0.2-1 and earlier as… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2002-2097 · CVE Program
- CVE-2002-2097 · NVD
- FIRST EPSS
- GHSA-q8x4-6vcv-jjgf · GitHub Advisory Database · CC BY 4.0
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