{"id":"CVE-2020-18831","details":"Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.","aliases":["PYSEC-2023-150"],"modified":"2026-07-09T00:06:25.705515Z","published":"2023-08-22T19:15:56.220Z","references":[{"type":"WEB","url":"https://www.exiv2.org/download.html"},{"type":"FIX","url":"https://github.com/Exiv2/exiv2/issues/828"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/exiv2/exiv2","events":[{"introduced":"16df09cc758e85d3d126701d2cdc8b447ded4743"},{"last_affected":"16df09cc758e85d3d126701d2cdc8b447ded4743"}],"database_specific":{"cpe":"cpe:2.3:a:exiv2:exiv2:0.27.1:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.27.1"},{"last_affected":"0.27.1"}],"source":"CPE_STRING"}}],"versions":["0.27.1","v0.27.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18831.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}