PatchTheCVE: optical character recognitionhttps://patchthecve.com/CVEs with upgrade or downgrade fix stepsCVE-2021-33481: A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxehttps://patchthecve.com/cve/CVE-2021-33481.htmlhttps://patchthecve.com/cve/CVE-2021-33481.htmlWed, 17 Jun 2026 03:54:39 +0000HIGH 7.8: A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in try_to_divide_boxes() in pgm2asc.c.CVE-2021-33480: An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2ashttps://patchthecve.com/cve/CVE-2021-33480.htmlhttps://patchthecve.com/cve/CVE-2021-33480.htmlWed, 17 Jun 2026 03:54:39 +0000MEDIUM 5.5: An use-after-free vulnerability was discovered in gocr through 0.53-20200802 in context_correction() in pgm2asc.c.CVE-2021-33479: A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() inhttps://patchthecve.com/cve/CVE-2021-33479.htmlhttps://patchthecve.com/cve/CVE-2021-33479.htmlWed, 17 Jun 2026 03:54:37 +0000HIGH 7.8: A stack-based buffer overflow vulnerability was discovered in gocr through 0.53-20200802 in measure_pitch() in pgm2asc.c.