CVE-2025-6494
published 2025-06-22CVE-2025-6494: A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function…
PriorityP413low3.3CVSS 3.1
AVLACLPRLUINSUCNINAL
EPSS
0.15%
4.9th percentile
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_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. The real existence of this vulnerability is still doubted at the moment. The patch is named ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is recommended to apply a patch to fix this issue. The project maintainer explains that the affected code was merged into the main branch but the commit never appeared in an official release.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | ruby-nokogiri | — | — |
| sparklemotion | nokogiri | — | — |
CVSS provenance
nvdv3.13.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
nvdv4.01.9LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
nvdv2.01.7LOWAV:L/AC:L/Au:S/C:N/I:N/A:P
osv4.8MEDIUM
vendor_debian4.8LOW
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
sparklemotion nokogiri hashmap.c hashmap_get_with_hash heap-based overflow
ghsa·2025-06-23
CVE-2025-6494 [LOW] CWE-119 sparklemotion nokogiri hashmap.c hashmap_get_with_hash heap-based overflow
sparklemotion nokogiri hashmap.c hashmap_get_with_hash heap-based overflow
### Withdrawn Advisory
This advisory has been withdrawn because the affected code was never included in a release. This link has been maintained to preserve external references.
### Original Description
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_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. The real existence of this vulnerability is still doubted at the moment. The patch is named ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is r
OSV
CVE-2025-6494: A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833
osv·2025-06-22·CVSS 4.8
CVE-2025-6494 [MEDIUM] CVE-2025-6494: A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_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. The real existence of this vulnerability is still doubted at the moment. The patch is named ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is recommended to apply a patch to fix this issue. The project maintainer explains that the affected code was merged into the main branch but the commit never appeared in an official release.
Debian
CVE-2025-6494: ruby-nokogiri - A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc223...
vendor_debian·2025·CVSS 4.8
CVE-2025-6494 [MEDIUM] CVE-2025-6494: ruby-nokogiri - A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc223...
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_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. The real existence of this vulnerability is still doubted at the moment. The patch is named ada4708e5a67114402cd3feb70a4e1d1d7cf773a. It is recommended to apply a patch to fix this issue. The project maintainer explains that the affected code was merged into the main branch but the commit never appeared in an official release.
Scope: local
bookworm: resolved
bullseye: resolved
forky: resolved
sid: resolved
trixie: resol
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/sparklemotion/nokogiri/commit/ada4708e5a67114402cd3feb70a4e1d1d7cf773ahttps://github.com/sparklemotion/nokogiri/issues/3508https://github.com/sparklemotion/nokogiri/pull/3524https://github.com/user-attachments/files/19825279/nokogiri_crash_2.txthttps://vuldb.com/?ctiid.313611https://vuldb.com/?id.313611https://vuldb.com/?submit.601006
2025-06-22
Published