CVE-2017-6962
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based...
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
CVE-2017-6962- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
CVE-2017-6962- Updated
- 2026-11-02
EUVDEUVD-2017-16000 No score
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
EUVD-2017-16000- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9q4p-g3pc-7mm3
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based...
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
GHSA-9q4p-g3pc-7mm3- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
OSV
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
CVE-2017-6962- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-6962
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
DEBIAN-CVE-2017-6962- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-6962
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer overflow. This is related to the read_chunk function making an unchecked addition of 12.
- Record
UBUNTU-CVE-2017-6962- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apng2gifDebian:12 |
before 1.8-0.1 | 1.8-0.1 |
apng2gifDebian:13 |
before 1.8-0.1 | 1.8-0.1 |
apng2gifDebian:14 |
before 1.8-0.1 | 1.8-0.1 |
apng2gifDebian:9 From an advisory covering 3 CVEs |
before 1.8-0.1~deb9u1, plus listed versions 1.7-1 |
1.8-0.1~deb9u1 |
apng2gifUbuntu:18.04:LTS |
All versions, plus listed versions 1.7-1 |
None known |
apng2gifUbuntu:20.04:LTS |
before 1.8-0.1 | 1.8-0.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| 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-2017-6962 is a high vulnerability (CVSS 7.5) in Apng2gif Project Apng2gif, published March 17, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. Fixed in apng2gif 1.8-0.1.