HIGHCVSS v3.1 7.5Vulnerability
CVE-2026-123202
libnxml before 0.18.6 contains a stack-based buffer overflow vulnerability in src/nxml_parser.c that allows remote attackers to write past a 1024-byte stack buffer via long XML names. Attackers can supply XML or RSS feeds with a 1022-character element, attribute, DOCTYPE or entity name ending in a multi-byte UTF-8 character to crash parsing applications.
Properties
- Severity
- HIGH
- Nvd fetched at
- 2026-11-06T06:16:30.423848+00:00
- Cvss severity
- HIGH
- Cvss score
- 7.5
- Retrieved at
- 2026-11-06T06:17:09+00:00
- Score
- 7.5
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-123202
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- First seen by Signal
- 2026-11-05T22:06:44+00:00
- Name
- CVE-2026-123202
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published at
- 2026-11-05T19:17:19.337
- Last modified
- 2026-11-05T19:17:19.337
Related Entities (1)
HAS_WEAKNESS (1)
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