What happened
A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via malformed IPv4 packets reaching an interface configured for Secure Vector Routing.
Affected versions
Junos OS: before 23.2R2-S7.7 (custom); 23.4 through before 23.4R2-S8.13 (custom); 24.2 through before 24.2R2-S5.5 (custom); 24.4 through before 24.4R2-S5 (custom); 25.2 through before 25.2R2-S2 (custom); 25.4 through before 25.4R1-S3 (custom); 26.2 through before 26.2R1-S2 (custom) Fixed: See vendor advisory.
Why it matters
Review the vendor advisory and exposure of the affected product to determine operational impact.
Detection & mitigation
- Apply vendor-provided updates or mitigations.
- Review affected product exposure and access logs.
Public PoC references
No public PoC reference has passed the current publication threshold.