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
Published Jul 19, 2016
9.8
CRITICALCVSS 3.0
EPSS 10.06%
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.
Affected products
No data.
- ≤ 7.0.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 10.06% (0.10064) | 95.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 10.06% (0.10064) | 95.01th | v5 (v2026.06.15) |
| Apr 21, 2026 | 9.76% (0.09760) | 92.97th | v4 (v2025.03.14) |
| Jan 5, 2026 | 33.34% (0.33337) | 96.76th | v4 (v2025.03.14) |
| Apr 25, 2025 | 40.63% (0.40635) | 97.15th | v4 (v2025.03.14) |
| Mar 30, 2025 | 33.34% (0.33337) | 96.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 45.50% (0.45501) | 96.47th | v4 (v2025.03.14) |
| Mar 22, 2025 | 33.34% (0.33337) | 96.57th | v4 (v2025.03.14) |
| Mar 17, 2025 | 34.74% (0.34739) | 96.64th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.31% (0.01306) | 86.48th | v3 (v2023.03.01) |
| Apr 8, 2024 | 1.31% (0.01306) | 85.63th | v3 (v2023.03.01) |
| Dec 30, 2023 | 0.92% (0.00924) | 81.18th | v3 (v2023.03.01) |
| Oct 20, 2023 | 0.65% (0.00653) | 77.11th | v3 (v2023.03.01) |
| Sep 11, 2023 | 0.57% (0.00567) | 75.04th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.50% (0.00502) | 73.17th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.70% (0.00700) | 77.20th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.74% (0.03740) | 85.11th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.74% (0.03740) | 83.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.74% (0.03740) | 66.74th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://packetstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.html x_refsource_MISC
- http://seclists.org/fulldisclosure/2016/Jul/65 mailing-listx_refsource_FULLDISC
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1c vendor-advisoryx_refsource_CISCO
- http://www.kb.cert.org/vuls/id/790839 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
- http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html x_refsource_CONFIRM
- http://www.securityfocus.com/archive/1/538952/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/91836 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1036386 vdb-entryx_refsource_SECTRACK
- https://github.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080 x_refsource_MISCTechnical DescriptionThird Party Advisory
- https://source.android.com/security/bulletin/2017-01-01.html x_refsource_CONFIRM
- https://www.ncsc.nl/dienstverlening/response-op-dreigingen-en-incidenten/beveiligingsadviezen/NCSC-2016-0650+1.00+Kwetsbaarheid+verholpen+in+ASN1C.html x_refsource_MISCThird Party Advisory
Change history (0)
No recorded changes yet.