Buffer overflow in Sparklemotion Nokogiri
CVE-2025-6490
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833 and classified as problematic. This issue affects the function hashmap_set_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation lead…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (21.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Sparklemotion Nokogiri — versions c29c920907366cb74af13b4dc2230e9c9e23b833
Weakness classification (CWE)
References
- VDB-313601 | sparklemotion nokogiri hashmap.c hashmap_set_with_hash heap-based overflow (technical-description, vdb-entry)
- VDB-313601 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #601005 | sparklemotion nokogiri nokogiri v1.18.7 (commit a024cff) Heap-based Buffer Overflow (third-party-advisory)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (issue-tracking)
- cna@vuldb.com (exploit)
- cna@vuldb.com (patch)
Frequently asked questions
- What is CVE-2025-6490?
- CVE-2025-6490 is a low-severity vulnerability in Sparklemotion Nokogiri, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-06-22.
- How severe is CVE-2025-6490?
- Low severity. CVSS v3 base score is 3.3 out of 10.