{"id":"CVE-2019-10741","aliases":["EUVD-2019-2535","GHSA-p93q-2cgh-jc3x"],"status":"published","title":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking,...","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00916,"percentile":0.60442,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-254"],"published":"2019-04-07T14:37:51Z","modified":"2026-10-20T10:50:37Z","products":[{"vendor":"k-9_mail_project","product":"k-9_mail"}],"references":[{"url":"https://github.com/k9mail/k-9/issues/3925","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10741"},{"url":"https://github.com/advisories/GHSA-p93q-2cgh-jc3x"}],"sources":{"cve":[{"id":"CVE-2019-10741","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","status":"published","published":"2019-04-07T14:37:51Z","modified":"2024-08-04T22:32:01.213Z","updated_at":"2026-11-02T14:20:19.056416Z"}],"euvd":[{"id":"EUVD-2019-2535","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","status":"published","published":"2019-04-07T14:37:51Z","modified":"2024-08-04T22:32:01Z","updated_at":"2026-11-03T02:40:51.198112Z"}],"ghsa":[{"id":"GHSA-p93q-2cgh-jc3x","title":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking,...","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","status":"published","published":"2022-05-13T01:29:05Z","modified":"2023-02-01T05:07:51Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T14:50:37.729708Z"}],"nvd":[{"id":"CVE-2019-10741","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","status":"published","published":"2019-04-07T15:29:00.45Z","modified":"2026-06-17T02:11:34.87Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-254"],"updated_at":"2026-11-02T14:05:11.426883Z"}],"osv":[{"id":"CVE-2019-10741","description":"K-9 Mail v5.600 can include the original quoted HTML code of a specially crafted, benign looking, email within (digitally signed) reply messages. The quoted part can contain conditional statements that show completely different text if opened in a different email client. This can be abused by an attacker to obtain valid S/MIME or PGP signatures for arbitrary content to be displayed to a third party. NOTE: the vendor states \"We don't plan to take any action because of this.\"","status":"published","published":"2019-04-07T15:29:00.45Z","modified":"2026-10-20T10:50:37.747075355Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:10.383287Z"}]}}