{"id":"CVE-2020-24996","aliases":["EUVD-2020-17696","GHSA-fm37-c276-3p6g","UBUNTU-CVE-2020-24996"],"status":"published","title":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc...","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01054,"percentile":0.64805,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-665"],"published":"2020-09-03T22:17:33Z","modified":"2026-10-17T12:55:52Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"ipe","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"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.7-2","7.2.7-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.9-1","7.2.13-2","7.2.13-2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.23+dfsg1-2","7.2.24+dfsg1-1","7.2.24+dfsg1-1build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"ipe","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"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build2","7.2.30-2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"ipe","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.2.30-1build1","7.2.30-1build2"]}],"products":[{"vendor":"xpdfreader","product":"xpdf"}],"references":[{"url":"https://forum.xpdfreader.com/viewtopic.php?f=3\u0026t=42028","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24996"},{"url":"https://github.com/advisories/GHSA-fm37-c276-3p6g"},{"url":"https://ubuntu.com/security/CVE-2020-24996","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-24996","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-24996","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","status":"published","published":"2020-09-03T22:17:33Z","modified":"2024-08-04T15:26:09.043Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17696","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","status":"published","published":"2020-09-03T22:17:33Z","modified":"2024-08-04T15:26:09Z","updated_at":"2026-11-03T03:07:18.658916Z"}],"ghsa":[{"id":"GHSA-fm37-c276-3p6g","title":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc...","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","status":"published","published":"2022-05-24T17:27:25Z","modified":"2023-01-29T05:04:22Z","updated_at":"2026-11-02T14:45:32.201087Z"}],"nvd":[{"id":"CVE-2020-24996","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","status":"published","published":"2020-09-03T23:15:09.76Z","modified":"2026-06-17T03:06:13.447Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:06:13.600965Z"}],"osv":[{"id":"UBUNTU-CVE-2020-24996","description":"There is an invalid memory access in the function TextString::~TextString() located in Catalog.cc in Xpdf 4.0.2. It can be triggered by (for example) sending a crafted pdf file to the pdftohtml binary, which allows a remote attacker to cause a Denial of Service (Segmentation fault) or possibly have unspecified other impact.","status":"published","published":"2020-09-03T23:15:00Z","modified":"2026-10-17T12:55:52.26213657Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.905183Z"}]}}