Description
An invalid pointer release vulnerability exists in YARA 4.5.8 during deserialization of compiled .yrc rule files. The vulnerability is caused by insufficient validation of external-variable pointers, which may lead to invalid free in yr_rules_destroy() or wild pointer access in yr_object_create(). An attacker can provide a specially crafted .yrc file that causes memory corruption and application crash.
Published:
2026-09-22
Score:
n/a
EPSS:
n/a
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | n/a | affected |
|
No data.
No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
Sign in to view the affected projects.
Advisories
No advisories yet.
References
History
Tue, 22 Sep 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An invalid pointer release vulnerability exists in YARA 4.5.8 during deserialization of compiled .yrc rule files. The vulnerability is caused by insufficient validation of external-variable pointers, which may lead to invalid free in yr_rules_destroy() or wild pointer access in yr_object_create(). An attacker can provide a specially crafted .yrc file that causes memory corruption and application crash. | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-09-22T19:47:29.360Z
Reserved: 2026-09-10T00:00:00.000Z
Link: CVE-2026-88340
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-22T20:17:10.250
Modified: 2026-09-22T20:17:10.250
Link: CVE-2026-88340
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.