CVE-2026-114605
Mở trang đầy đủCVSS 7.5 HIGH
dnspython dns.name.from_wire_parser() excessive CPU use
Mô tả
Impact
A maliciously crafted DNS message may cause dns.name.from_wire_parser() to use excessive CPU for DNS name decompression. Applications that process untrusted DNS wire form messages with dnspython may be degraded or DoS'd by the extra CPU use required.
Patches
This problem is fixed in dnspython 2.9.0.
Workarounds
There are no known workarounds.
Credit
Evgenios Gkritsis, Department of Informatics, University of Piraeus & Athena Research Center, Greece
Constantinos Patsakis, Department of Informatics, University of Piraeus & Athena Research Center, Greece
George Stergiopoulos, Department of Informatics, Athens University of Economics and Business, Greece
Điểm và phân loại
- CVSS
- 7.5 HIGH v3.1
- Nguồn điểm
- GitHub Advisory
- Mức độ (theo nguồn)
- HIGH
- EPSS
- 0.34%
- CWE
- CWE-674
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Ảnh hưởng
| Package | Bản bị ảnh hưởng | Bản đã sửa |
|---|---|---|
pip dnspython |
< 2.9.0 |
2.9.0
|
Vì sao bị lọc
- CVSS 7.5 < 8.0 và không thuộc CISA KEV
Loại tác động
Không nhận ra loại tác động nào từ CWE, vector hay mô tả.
Dữ liệu riêng của nguồn
- OSV.dev · ID
- GHSA-45c3-73f7-pv4m
Tham khảo
- https://github.com/advisories/GHSA-45c3-73f7-pv4m
- https://github.com/rthalley/dnspython/security/advisories/GHSA-45c3-73f7-pv4m
- https://nvd.nist.gov/vuln/detail/CVE-2026-114605
- https://github.com/rthalley/dnspython/commit/b485e460c266540a1a09ca6d8d1d7b685b1d3023
- https://github.com/rthalley/dnspython/releases/tag/v2.9.0
- https://osv.dev/vulnerability/GHSA-45c3-73f7-pv4m
- https://github.com/rthalley/dnspython