{"id":"CVE-2025-52497","aliases":["ALPINE-CVE-2025-52497","DEBIAN-CVE-2025-52497","DLA-4274-1","EUVD-2025-20082","GHSA-3p24-8mw5-x2hx","JLSEC-2025-229","ROOT-OS-DEBIAN-12-CVE-2025-52497","UBUNTU-CVE-2025-52497","USN-8123-1","openSUSE-SU-2026:21144-1"],"status":"published","title":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in...","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00331,"percentile":0.26621,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-193"],"published":"2025-07-04T00:00:00Z","modified":"2026-11-03T06:32:52Z","fixes":[{"ecosystem":"Alpine:v3.20","package":"mbedtls","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"mbedtls","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"mbedtls","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"mbedtls","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mbedtls","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mbedtls3","fixed_in":["3.6.4-r0"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mbedtls","fixed_in":["3.6.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mbedtls","fixed_in":["3.6.4-1"],"sources":["osv"]},{"ecosystem":"Julia","package":"MbedTLS_jll","fixed_in":["2.28.1010+0"],"sources":["osv"]},{"ecosystem":"Root:Debian:12","package":"mbedtls","fixed_in":["2.28.3-1.root.io.14","2.28.3-1.root.io.15","2.28.3-1.root.io.16","2.28.3-1.root.io.11","2.28.3-1.root.io.12","2.28.3-1.root.io.13","2.28.3-1.aikido.17"],"sources":["osv"]},{"ecosystem":"Root:Debian:12","package":"rootio-mbedtls","fixed_in":["2.28.3-1.root.io.14","2.28.3-1.root.io.15","2.28.3-1.root.io.16","2.28.3-1.root.io.11","2.28.3-1.root.io.12","2.28.3-1.root.io.13","2.28.3-1.aikido.17"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mbedtls","fixed_in":["2.8.0-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mbedtls","fixed_in":["2.16.4-1ubuntu2+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mbedtls","fixed_in":["2.28.0-1ubuntu0.1~esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mbedtls","fixed_in":["2.28.8-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.20","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mbedtls3","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.28.3-1","2.28.4-1","2.28.5-1","2.28.6-1","2.28.7-1","2.28.7-1.1","2.28.7-1.1~exp1","2.28.8-1","3.6.0-1","3.6.0-2","3.6.0-3","3.6.2-1","3.6.2-2","3.6.2-3","3.6.3-1","3.6.4-1","3.6.4-2","3.6.5-0.1","3.6.5-0.1~deb13u1","3.6.6-0.1","3.6.7-2","3.6.7-3"]},{"source":"osv","ecosystem":"Debian:13","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.4-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.9-0.1+deb11u2"}]}],"versions":["2.16.9-0.1","2.16.9-0.1+deb11u1"],"bundled":4},{"source":"osv","ecosystem":"Julia","package":"MbedTLS_jll","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.28.1010+0"}]}]},{"source":"osv","ecosystem":"Root:Debian:12","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.3-1.root.io.14"},{"fixed":"2.28.3-1.root.io.15"},{"fixed":"2.28.3-1.root.io.16"},{"fixed":"2.28.3-1.root.io.11"},{"fixed":"2.28.3-1.root.io.12"},{"fixed":"2.28.3-1.root.io.13"},{"fixed":"2.28.3-1.aikido.17"}]}]},{"source":"osv","ecosystem":"Root:Debian:12","package":"rootio-mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.3-1.root.io.14"},{"fixed":"2.28.3-1.root.io.15"},{"fixed":"2.28.3-1.root.io.16"},{"fixed":"2.28.3-1.root.io.11"},{"fixed":"2.28.3-1.root.io.12"},{"fixed":"2.28.3-1.root.io.13"},{"fixed":"2.28.3-1.aikido.17"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.2-1","2.2.0-1","2.2.1-1","2.2.1-2","2.2.1-2ubuntu0.1","2.2.1-2ubuntu0.2","2.2.1-2ubuntu0.3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-1ubuntu0.1~esm1"}]}],"versions":["2.5.1-1ubuntu1","2.6.0-1","2.7.0-2","2.8.0-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-1ubuntu2+esm1"}]}],"versions":["2.16.2-1","2.16.3-1","2.16.4-1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.0-1ubuntu0.1~esm1"}]}],"versions":["2.16.9-0.1ubuntu1","2.16.11-0.1ubuntu1","2.16.11-0.3","2.28.0-1","2.28.0-1build1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.8-1ubuntu0.1~esm1"}]}],"versions":["2.28.3-1","2.28.6-1ubuntu1","2.28.7-1ubuntu1","2.28.7-1.1ubuntu1","2.28.8-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.2-3ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0-1ubuntu0.1~esm1"}]}],"versions":["2.5.1-1ubuntu1","2.6.0-1","2.7.0-2","2.8.0-1"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.16.4-1ubuntu2+esm1"}]}],"versions":["2.16.2-1","2.16.3-1","2.16.4-1ubuntu2"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.0-1ubuntu0.1~esm1"}]}],"versions":["2.16.9-0.1ubuntu1","2.16.11-0.1ubuntu1","2.16.11-0.3","2.28.0-1","2.28.0-1build1"],"bundled":7},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28.8-1ubuntu0.1~esm1"}]}],"versions":["2.28.3-1","2.28.6-1ubuntu1","2.28.7-1ubuntu1","2.28.7-1.1ubuntu1","2.28.8-1"],"bundled":7},{"source":"osv","ecosystem":"openSUSE:Leap 16.0","package":"mbedtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.6-bp160.1.1"}]}],"bundled":15}],"products":[{"vendor":"arm","product":"mbed_tls"},{"vendor":"mbed","product":"mbedtls"}],"references":[{"url":"https://github.com/Mbed-TLS/mbedtls-docs/blob/main/security-advisories/mbedtls-security-advisory-2025-06-2.md","tags":["Third Party Advisory","advisory","web","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00013.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52497","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3p24-8mw5-x2hx"},{"url":"https://security.alpinelinux.org/vuln/CVE-2025-52497","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52497.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2025-52497","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-52497","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-52497","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8123-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-44732","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2024-23775","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-27810","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-47917","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-48965","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2025-52496","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1231708","tags":["report"]},{"url":"https://bugzilla.suse.com/1240051","tags":["report"]},{"url":"https://bugzilla.suse.com/1240052","tags":["report"]},{"url":"https://bugzilla.suse.com/1245808","tags":["report"]},{"url":"https://bugzilla.suse.com/1245809","tags":["report"]},{"url":"https://bugzilla.suse.com/1245810","tags":["report"]},{"url":"https://bugzilla.suse.com/1245811","tags":["report"]},{"url":"https://bugzilla.suse.com/1246783","tags":["report"]},{"url":"https://bugzilla.suse.com/1246784","tags":["report"]},{"url":"https://bugzilla.suse.com/1246973","tags":["report"]},{"url":"https://bugzilla.suse.com/1252341","tags":["report"]},{"url":"https://bugzilla.suse.com/1252454","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2024-49195","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27809","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-27810","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-47917","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-48965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-49087","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-49600","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-49601","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52496","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-52497","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-54764","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-59438","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-25833","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-25834","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-25835","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T00:00:00Z","modified":"2025-11-03T20:05:52.109Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-20082","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T00:00:00Z","modified":"2025-11-03T20:05:52Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T19:49:32.896597Z"}],"ghsa":[{"id":"GHSA-3p24-8mw5-x2hx","title":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in...","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T15:31:10Z","modified":"2025-11-03T21:34:07Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:04:23.841448Z"}],"nvd":[{"id":"CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T15:15:22.787Z","modified":"2026-06-17T09:36:36.253Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T14:11:16.997062Z"}],"osv":[{"id":"ALPINE-CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T15:15:22.787Z","modified":"2026-11-03T06:32:52.094482411Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T07:16:26.770911Z"},{"id":"CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T00:00:00Z","modified":"2026-10-28T02:30:39.104475354Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-193"],"updated_at":"2026-11-02T15:44:50.45326Z"},{"id":"DEBIAN-CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T15:15:22.787Z","modified":"2026-09-01T20:05:53.640033279Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:47.378563Z"},{"id":"JLSEC-2025-229","title":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in...","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in `mbedtls_pem_read_buffer` and two `mbedtls_pk_parse` functions, via untrusted PEM input.","status":"published","published":"2025-11-21T15:59:04.054Z","modified":"2026-07-23T22:30:21.335290779Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:47:17.805107Z"},{"id":"UBUNTU-CVE-2025-52497","description":"Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtls_pem_read_buffer and two mbedtls_pk_parse functions, via untrusted PEM input.","status":"published","published":"2025-07-04T15:15:00Z","modified":"2026-04-22T16:05:35.344649Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T16:55:50.31802Z"},{"id":"DLA-4274-1","title":"mbedtls - security update","status":"published","published":"2025-08-18T00:00:00Z","modified":"2026-03-09T02:10:41.619844Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"openSUSE-SU-2026:21144-1","title":"Security update for mbedtls","description":"This update for mbedtls fixes the following issues:\n\nChanges in mbedtls:\n\n- Update to 3.6.6 (LTS maintenance update from 3.6.1); security fixes\n  accumulated across the 3.6.2-3.6.6 releases:\n  * CVE-2024-49195 (boo#1231708): buffer underrun in pkwrite when\n    writing an opaque key pair\n  * CVE-2025-27809 (boo#1240051): certificate verification accepted\n    arbitrary hostnames\n  * CVE-2025-27810 (boo#1240052): possible authentication bypass on\n    failed memory allocation / hardware errors\n  * CVE-2025-47917 (boo#1246783): misleading memory management in\n    mbedtls_x509_string_to_names()\n  * CVE-2025-48965 (boo#1246784): NULL pointer dereference after\n    mbedtls_asn1_store_named_data()\n  * CVE-2025-49087 (boo#1246973): timing side channel in PKCS#7\n    padding removal\n  * CVE-2025-49600 (boo#1245808): unchecked return values in LMS\n    verification allow signature bypass via fault injection\n  * CVE-2025-49601 (boo#1245809): out-of-bounds read in\n    mbedtls_lms_import_public_key()\n  * CVE-2025-52496 (boo#1245810): race in AES-NI support detection can\n    lead to AES key extraction or GCM forgery\n  * CVE-2025-52497 (boo#1245811): one-byte heap underflow when parsing\n    PEM-encrypted material\n  * CVE-2025-54764 (boo#1252341): timing attacks in RSA operations\n  * CVE-2025-59438 (boo#1252454): padding-oracle attack via timing of\n    cipher error reporting\n  * CVE-2026-25833: PSA RNG state duplicated across fork()\n  * CVE-2026-25834: TLS 1.3 HelloRetryRequest man-in-the-middle\n    session-resumption downgrade\n  * CVE-2026-25835: RNG state duplicated when application/VM state is\n    cloned\n","status":"published","published":"2026-06-22T13:34:13Z","modified":"2026-06-30T18:24:45.186057867Z","updated_at":"2026-11-02T16:58:41.885092Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2025-52497","title":"CVE-2025-52497 in mbedtls - Patched by Root","description":"Root has patched CVE-2025-52497 in the mbedtls package for Root:Debian:12. Multiple fixed versions available.","status":"published","published":"2026-08-25T12:15:34Z","modified":"2026-08-26T01:12:53.267371765Z","updated_at":"2026-11-02T15:53:31.514195Z"},{"id":"USN-8123-1","title":"mbedtls vulnerabilities","description":"It was discovered that Mbed TLS incorrectly handled memory allocation\nfailures. A remote attacker could possibly use this issue to crash\nthe program. This issue only affected Ubuntu 18.04 LTS and Ubuntu\n20.04 LTS. (CVE-2021-44732)\n\nJonathan Winzig discovered that Mbed TLS incorrectly handled crafted\ninputs. A remote attacker could possibly use this issue to crash the\nprogram, resulting in a denial of service. This issue only affected\nUbuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS. (CVE-2024-23775)\n\nIt was discovered that Mbed TLS incorrectly handled the TLS\nhandshake. A remote attacker could possibly use this issue to\nbreak the security guarantees of the TLS handshake.\n(CVE-2025-27810)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly\ndocumented the behavior of a function. Application code relying\non the documented behavior might be affected. A remote attacker\ncould possibly use this issue to execute arbitrary code.\n(CVE-2025-47917)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly handled\ncrafted input. A remote attacker could possibly use this issue to\ncrash the program, resulting in a denial of service. (CVE-2025-48965)\n\nIt was discovered that Mbed TLS incorrectly handled a race condition.\nAn attacker could possibly use this issue to extract AES keys.\n(CVE-2025-52496)\n\nLinh Le and Ngan Nguyen discovered that Mbed TLS incorrectly handled\ncertain invalid input. A remote attacker could possibly use this\nissue to crash the program, resulting in a denial of service.\n(CVE-2025-52497)","status":"published","published":"2026-03-25T16:22:11Z","modified":"2026-04-27T18:44:30.29713Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}