{"id":"UBUNTU-CVE-2020-25725","details":"In Xpdf 4.02, SplashOutputDev::endType3Char(GfxState *state) SplashOutputDev.cc:3079 is trying to use the freed `t3GlyphStack-\u003ecache`, which causes an `heap-use-after-free` problem. The codes of a previous fix for nested Type 3 characters wasn't correctly handling the case where a Type 3 char referred to another char in the same Type 3 font.","modified":"2026-05-20T16:04:19.290255343Z","published":"2020-11-21T06:15:00Z","upstream":["CVE-2020-25725"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-25725"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-25725"}],"affected":[{"package":{"name":"ipe","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1.4-2.1","7.1.8-1","7.1.10-1","7.1.10-1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"7.1.10-1.1","binary_name":"ipe"},{"binary_version":"7.1.10-1.1","binary_name":"libipe7.1.10"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.7-2","7.2.7-3"],"ecosystem_specific":{"binaries":[{"binary_version":"7.2.7-3","binary_name":"ipe"},{"binary_name":"libipe7.2.7","binary_version":"7.2.7-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.9-1","7.2.13-2","7.2.13-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.13-2build1"},{"binary_name":"libipe7.2.13","binary_version":"7.2.13-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.23+dfsg1-2","7.2.24+dfsg1-1","7.2.24+dfsg1-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.24+dfsg1-1build1"},{"binary_name":"libipe7.2.24","binary_version":"7.2.24+dfsg1-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.27+dfsg1-2","7.2.28-2","7.2.28-2.1build2","7.2.28-2.1build3","7.2.28-2.1build4"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.28-2.1build4"},{"binary_version":"7.2.28-2.1build4","binary_name":"libipe7.2.28t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"7.2.30-1build1","binary_name":"ipe"},{"binary_name":"libipe7.2.30","binary_version":"7.2.30-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}},{"package":{"name":"ipe","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/ipe?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1","7.2.30-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"ipe","binary_version":"7.2.30-1build2"},{"binary_name":"libipe7.2.30","binary_version":"7.2.30-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-25725.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}