{"id":"PYSEC-2018-123","details":"In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::IptcData::printStructure function in iptc.cpp, related to the \"!= 0x1c\" case. Remote attackers can exploit this vulnerability to cause a denial of service via a crafted TIFF file.","modified":"2025-10-09T05:31:24.519741Z","published":"2018-02-12T22:29:00Z","withdrawn":"2024-11-22T04:37:04Z","references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1524107"},{"type":"WEB","url":"https://github.com/xiaoqx/pocs/blob/master/exiv2/readme.md"},{"type":"REPORT","url":"https://github.com/Exiv2/exiv2/issues/263"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201811-14"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:2101"}],"affected":[{"package":{"name":"exiv2","ecosystem":"PyPI","purl":"pkg:pypi/exiv2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.1","0.11.0","0.11.1","0.11.2","0.11.3","0.12.0","0.12.1","0.13.0","0.13.1","0.13.2","0.14.0","0.14.1","0.15.0","0.16.0","0.16.1","0.16.2","0.16.2.post1","0.16.3","0.16.3.post1","0.17.0","0.17.1","0.2","0.3","0.3.1","0.17.2","0.17.3","0.17.4","0.17.5"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/exiv2/PYSEC-2018-123.yaml"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}