CVE-2017-6960
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 over-read, related to the load_apng function and the imagesize variable.
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
7.5
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
- Record
CVE-2017-6960- CVSS 3.1
- 7.5 High
CVSS:3.1/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 over-read, related to the load_apng function and the imagesize variable.
- Record
CVE-2017-6960- Updated
- 2026-11-02
EUVDEUVD-2017-15998 No score
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
- Record
EUVD-2017-15998- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hqw9-4vmr-235r
7.5
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 over-read, related to the load_apng function and the imagesize variable.
- Record
GHSA-hqw9-4vmr-235r- 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
7.5
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
- Record
CVE-2017-6960- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-6960
7.5
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
- Record
DEBIAN-CVE-2017-6960- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-6960
7.5
An issue was discovered in apng2gif 1.7. There is an integer overflow resulting in a heap-based buffer over-read, related to the load_apng function and the imagesize variable.
- Record
UBUNTU-CVE-2017-6960- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUSN-4513-1 No score
apng2gif vulnerability
Dileep Kumar Jallepalli discovered that apng2gif incorrectly handled loading APNG files. An attacker could exploit this with a crafted APNG file to access sensitive information. (CVE-2017-6960)
- Record
USN-4513-1- 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:8 |
before 1.5-3+deb8u1, plus listed versions 1.5-3 |
1.5-3+deb8u1 |
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 |
apng2gifDebian:7 |
before 1.5-1+deb7u1, plus listed versions 1.5-1 |
1.5-1+deb7u1 |
apng2gifUbuntu:16.04:LTS |
before 1.5-3+deb8u1build0.16.04.1, plus listed versions 1.5-3 |
1.5-3+deb8u1build0.16.04.1 |
apng2gifUbuntu:18.04:LTS |
All versions, plus listed versions 1.7-1 |
None known |
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-2017-6960 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 1.75%, the 78th percentile. Fixed in apng2gif 1.8-0.1.
References
bugs.debian.org/cgi-bin/bugreport.cgi?bug=854367
lists.debian.org/debian-lts-announce/2020/03/msg00039.html
usn.ubuntu.com/4513-1
nvd.nist.gov/vuln/detail/CVE-2017-6960
github.com/advisories/GHSA-hqw9-4vmr-235r
security-tracker.debian.org/tracker/CVE-2017-6960
ubuntu.com/security/CVE-2017-6960
ubuntu.com/security/notices/USN-4513-1
cve.org/CVERecord?id=CVE-2017-6960