We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.

Please see our statement on Data Privacy.

Crisp.chat (Helpdesk and Chat)

Ok

THREATINT
PUBLISHED

CVE-2025-6490

sparklemotion nokogiri hashmap.c hashmap_set_with_hash heap-based overflow



Description

EN DE

A vulnerability was found in sparklemotion nokogiri up to 1.18.7 and classified as problematic. This issue affects the function hashmap_set_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Eine problematische Schwachstelle wurde in sparklemotion nokogiri bis 1.18.7 gefunden. Es geht hierbei um die Funktion hashmap_set_with_hash der Datei gumbo-parser/src/hashmap.c. Mit der Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Umgesetzt werden muss der Angriff lokal. Der Exploit steht zur öffentlichen Verfügung.

Reserved 2025-06-21 | Published 2025-06-22 | Updated 2025-06-22 | Assigner VulDB


MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Heap-based Buffer Overflow

Memory Corruption

Product status

1.18.0
affected

1.18.1
affected

1.18.2
affected

1.18.3
affected

1.18.4
affected

1.18.5
affected

1.18.6
affected

1.18.7
affected

Timeline

2025-06-21:Advisory disclosed
2025-06-21:VulDB entry created
2025-06-21:VulDB entry last update

Credits

JJLeo (VulDB User) reporter

References

vuldb.com/?id.313601 (VDB-313601 | sparklemotion nokogiri hashmap.c hashmap_set_with_hash heap-based overflow) vdb-entry technical-description

vuldb.com/?ctiid.313601 (VDB-313601 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.601005 (Submit #601005 | sparklemotion nokogiri nokogiri v1.18.7 (commit a024cff) Heap-based Buffer Overflow) third-party-advisory

github.com/sparklemotion/nokogiri/issues/3500 issue-tracking

github.com/...-attachments/files/19625432/nokogiri_crash.txt exploit

cve.org (CVE-2025-6490)

nvd.nist.gov (CVE-2025-6490)

Download JSON

Share this page
https://cve.threatint.eu/CVE/CVE-2025-6490

Support options

Helpdesk Chat, Email, Knowledgebase