CVE-2017-12966
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28...
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
CVE-2017-12966- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
CVE-2017-12966- Updated
- 2026-11-02
EUVDEUVD-2017-4487 No score
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
EUVD-2017-4487- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-968h-hqr4-4xp2
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28...
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
GHSA-968h-hqr4-4xp2- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSV
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
CVE-2017-12966- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-12966
The asn1f_lookup_symbol_impl function in asn1fix_retrieve.c in libasn1fix.a in asn1c 0.9.28 allows remote attackers to cause a denial of service (segmentation fault) via a crafted .asn1 file.
- Record
DEBIAN-CVE-2017-12966- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2026:11106-1 No score
asn1c-0.9.29-1.1 on GA media
These are all security issues fixed in the asn1c-0.9.29-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:11106-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
asn1cDebian:12 |
All versions, plus listed versions 0.9.28+dfsg-50.9.28+dfsg-60.9.28+dfsg-7 |
None known |
asn1cDebian:13 |
All versions, plus listed versions 0.9.28+dfsg-50.9.28+dfsg-60.9.28+dfsg-7 |
None known |
asn1cDebian:14 |
All versions, plus listed versions 0.9.28+dfsg-50.9.28+dfsg-60.9.28+dfsg-7 |
None known |
asn1copenSUSE:Tumbleweed |
before 0.9.29-1.1 | 0.9.29-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-12966 is a medium vulnerability (CVSS 6.5) in Asn1c Project Asn1c, published August 20, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in asn1c 0.9.29-1.1.