CVE-2026-102639— MobilityDB 1.3.0及之前版本WKB反序列化越界读漏洞
一分钟漏洞结论
影响对象
MobilityDB MobilityDB
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
MobilityDB version 1.3.0 and earlier contains an out-of-bounds read vulnerability in the MEOS binary and library WKB deserialization logic that allows unprivileged database users to crash the PostgreSQL backend process by supplying a crafted WKB payload with a
影响版本矩阵 3
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| MobilityDB | MobilityDB | 1.1.0≤ 1.1.2 |
affected |
1.2.0< 1.2.2 |
affected | ||
1.3.0< 1.3.1 |
affected |
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一、 漏洞 CVE-2026-102639 基础信息
漏洞信息
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
MobilityDB through 1.3.0 Out-of-bounds Read DoS via WKB Deserialization
来源: CVE Program / CVE List V5
Vulnerability Description
MobilityDB version 1.3.0 and earlier contains an out-of-bounds read vulnerability in the MEOS binary and library WKB deserialization logic that allows unprivileged database users to crash the PostgreSQL backend process by supplying a crafted WKB payload with a negative length field. The negative length value wraps to a large unsigned size_t due to missing signed validation, bypasses an overflow-unsafe pointer arithmetic bounds check in wkb_parse_state_check(), and causes memcpy() in text_from_wkb_state() to operate with a corrupted unbounded length, resulting in a remote denial-of-service condition affecting all sessions on the PostgreSQL instance.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
有符号至无符号转换错误
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| MobilityDB | MobilityDB | 1.1.0 ~ 1.1.2 | - |
|
二、漏洞 CVE-2026-102639 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-102639 其他参考 (4)
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🔗 Out-of-bounds read in the Well-Known Binary input of temporal, set and span values · Advisory · MobilityDB/MobilityDB · GitHub 查看完整文章 vendor-advisory technical-description
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IV. Related Vulnerabilities
V. Comments for CVE-2026-102639
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