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Vulnerability record · CVE-2016-5080 · published 19 July 2016

CVE-2016-5080: Objective systems asn1c vulnerability

Objective Systems · Asn1c

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.

9.8 CVSS 3.0 Critical EPSS 10% · top 4.5%
9.8CVSS 3.0 base score, v2 10.0
10%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.html
http://seclists.org/fulldisclosure/2016/Jul/65
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1c
http://www.kb.cert.org/vuls/id/790839 Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/archive/1/538952/100/0/threaded
http://www.securityfocus.com/bid/91836
http://www.securitytracker.com/id/1036386
https://github.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080 Technical DescriptionThird Party Advisory
https://source.android.com/security/bulletin/2017-01-01.html
https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen/NCSC-2016-0650+1.00+Kwetsb Third Party Advisory
http://packetstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.html
http://seclists.org/fulldisclosure/2016/Jul/65
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1c
http://www.kb.cert.org/vuls/id/790839 Third Party AdvisoryUS Government Resource
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/archive/1/538952/100/0/threaded
http://www.securityfocus.com/bid/91836
http://www.securitytracker.com/id/1036386
https://github.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080 Technical DescriptionThird Party Advisory
https://source.android.com/security/bulletin/2017-01-01.html
https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen/NCSC-2016-0650+1.00+Kwetsb Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2016-5080), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.