https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2017-6962.htmlhttps://patchthecve.com/cve/CVE-2017-6962.htmlWed, 17 Jun 2026 01:23:23 +0000HIGH 7.5: 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.https://patchthecve.com/cve/CVE-2017-6961.htmlhttps://patchthecve.com/cve/CVE-2017-6961.htmlWed, 17 Jun 2026 01:23:23 +0000MEDIUM 5.5: An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations, resulting in a crash. This is related to the read_chunk function using the pChunk->size value (within the PNG file) to determine the amount of memory to allocate.https://patchthecve.com/cve/CVE-2017-6960.htmlhttps://patchthecve.com/cve/CVE-2017-6960.htmlWed, 17 Jun 2026 01:23:23 +0000HIGH 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.