Vulnerability in Objective Systems Asn1c

CVE-2016-5080

Integer overflow in the rtxMemHeapAlloc function in asn1rt_a.lib in Objective Systems ASN1C for C/C++ before 7.0.2 allows context-dependent attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow), on a system running an application compiled by ASN1C, via crafted ASN.1 data.

EPSS: 0.101 (95.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-5080?
CVE-2016-5080 is a critical-severity vulnerability in Objective Systems Asn1c. CVSS score: 9.8/10. Published 2016-07-19.
How severe is CVE-2016-5080?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-5080 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.