CVE-2020-23910
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in...
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- 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
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
CVE-2020-23910- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
CVE-2020-23910- Updated
- 2026-11-02
EUVDEUVD-2020-16647 No score
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
EUVD-2020-16647- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jqj-cr86-2fwf
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in...
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
GHSA-8jqj-cr86-2fwf- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
CVE-2020-23910- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-23910
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
DEBIAN-CVE-2020-23910- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-23910
Stack-based buffer overflow vulnerability in asn1c through v0.9.28 via function genhash_get in genhash.c.
- Record
UBUNTU-CVE-2020-23910- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - 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 |
asn1cUbuntu:16.04:LTS |
All versions, plus listed versions 0.9.24+dfsg-1 |
None known |
asn1cUbuntu:18.04:LTS |
All versions, plus listed versions 0.9.28+dfsg-2 |
None known |
asn1cUbuntu:20.04:LTS |
All versions, plus listed versions 0.9.28+dfsg-3 |
None known |
asn1cUbuntu:22.04:LTS |
All versions, plus listed versions 0.9.28+dfsg-3 |
None known |
asn1cUbuntu:24.04:LTS |
All versions, plus listed versions 0.9.28+dfsg-5 |
None known |
asn1cUbuntu:25.10 |
All versions, plus listed versions 0.9.28+dfsg-5 |
None known |
asn1cUbuntu:26.10 |
All versions, plus listed versions 0.9.28+dfsg-60.9.28+dfsg-7 |
None known |
asn1cUbuntu:26.04:LTS |
All versions, plus listed versions 0.9.28+dfsg-50.9.28+dfsg-5build10.9.28+dfsg-6 |
None known |
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-2020-23910 is a medium vulnerability (CVSS 5.5) in Asn1c Project Asn1c, published July 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 22nd percentile. No source names a fixed version.