{"id":"CVE-2020-35342","aliases":["CLSA-2023-1696351606","CLSA-2023-1696351864","CLSA-2025-1761577745","DEBIAN-CVE-2020-35342","EUVD-2020-23018","GHSA-4j2r-xh73-3xqw","UBUNTU-CVE-2020-35342","USN-6381-1"],"status":"published","title":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond ...","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00768,"percentile":0.55797,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-665"],"published":"2023-08-22T00:00:00Z","modified":"2026-10-26T12:02:48Z","fixes":[{"ecosystem":"TuxCare:Debian:10","package":"binutils","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-aarch64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-alpha-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-arm-linux-gnueabi","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-arm-linux-gnueabihf","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-common","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-dev","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-doc","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-for-build","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-for-host","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-hppa-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-hppa64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-i686-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-i686-kfreebsd-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-i686-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-ia64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-m68k-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-mips-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-mips64el-linux-gnuabi64","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-mipsel-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-multiarch","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-multiarch-dev","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-powerpc-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-powerpc-linux-gnuspe","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-powerpc64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-powerpc64le-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-riscv64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-s390x-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-sh4-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-source","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-sparc64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-x86-64-kfreebsd-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-x86-64-linux-gnu","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"binutils-x86-64-linux-gnux32","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"TuxCare:Debian:10","package":"libbinutils","fixed_in":["2.31.1-16+tuxcare.els4"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"binutils","fixed_in":["2.33.50.20200107-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"binutils","fixed_in":["2.33.50.20200107-1"],"s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Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T19:22:40.124Z","updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-23018","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T00:00:00Z","modified":"2024-10-03T19:22:40Z","updated_at":"2026-11-03T00:27:53.790276Z"}],"ghsa":[{"id":"GHSA-4j2r-xh73-3xqw","title":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond ...","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T21:30:26Z","modified":"2024-04-04T07:07:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:56:48.229282Z"}],"nvd":[{"id":"CVE-2020-35342","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T19:16:20.107Z","modified":"2026-06-17T03:13:39.577Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-665"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"CVE-2020-35342","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T19:16:20.107Z","modified":"2026-10-24T10:30:37.10350887Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"DEBIAN-CVE-2020-35342","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T19:16:20.107Z","modified":"2026-10-26T12:02:48.390099737Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-35342","description":"GNU Binutils before 2.34 has an uninitialized-heap vulnerability in function tic4x_print_cond (file opcodes/tic4x-dis.c) which could allow attackers to make an information leak.","status":"published","published":"2023-08-22T19:16:00Z","modified":"2026-04-22T12:40:26.71653Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"},{"id":"CLSA-2023-1696351606","title":"Fix CVE(s): CVE-2020-19724, CVE-2020-19726, CVE-2020-21490, CVE-2020-35342","description":"\n   * SECURITY UPDATE: uninitialized-heap vulnerability in function\n     tic4x_print_cond in file opcodes/tic4x-dis.c\n     - debian/patches/CVE-2020-35342.patch: Init all of condtable\n     - CVE-2020-35342\n   * SECURITY UPDATE: a memory consumption issue in get_data function in\n     binutils/nm.c\n     - debian/patches/CVE-2020-19724.patch: Free dyn_syms\n     - CVE-2020-19724\n   * SECURITY UPDATE: a memory leak when process microblaze-dis.c\n     - debian/patches/CVE-2020-21490.patch: Use strbuf rather than strdup\n       of local temp\n     - CVE-2020-21490\n   * SECURITY UPDATE: an issue relating to the auxiliary symbol data allows\n     attackers to read or write to system memory or cause a denial of\n     service\n     - debian/patches/CVE-2020-19726.patch: Fix parsing a corrupt PE format\n       file\n     - CVE-2020-19726","status":"published","published":"2023-10-03T16:46:50Z","modified":"2026-06-04T10:04:23.841238Z","updated_at":"2026-11-02T15:43:40.509998Z"},{"id":"CLSA-2023-1696351864","title":"Fix CVE(s): CVE-2020-19726, CVE-2020-19724, CVE-2020-21490, CVE-2020-35342","description":"\n   * SECURITY UPDATE: uninitialized-heap vulnerability in function\n     tic4x_print_cond in file opcodes/tic4x-dis.c\n     - debian/patches/CVE-2020-35342.patch: Init all of condtable\n     - CVE-2020-35342\n   * SECURITY UPDATE: a memory consumption issue in get_data function in\n     binutils/nm.c\n     - debian/patches/CVE-2020-19724.patch: Free dyn_syms\n     - CVE-2020-19724\n   * SECURITY UPDATE: a memory leak when process microblaze-dis.c\n     - debian/patches/CVE-2020-21490.patch: Use strbuf rather than strdup\n       of local temp\n     - CVE-2020-21490\n   * SECURITY UPDATE: an issue relating to the auxiliary symbol data allows\n     attackers to read or write to system memory or cause a denial of\n     service\n     - debian/patches/CVE-2020-19726.patch: Fix parsing a corrupt PE format\n       file\n     - CVE-2020-19726","status":"published","published":"2023-10-03T16:51:08Z","modified":"2026-06-04T10:04:24.036944761Z","updated_at":"2026-11-02T15:43:40.509998Z"},{"id":"CLSA-2025-1761577745","title":"Fix CVE(s): CVE-2020-35342","description":"   * SECURITY UPDATE: uninitialized-heap vulnerability in tic4x_print_cond\n     function\n     - debian/patches/CVE-2020-35342.patch: Initialize all elements of the\n       condtable array to fix uninitialized heap memory issue in tic4x_print_cond\n       function\n     - CVE-2020-35342","status":"published","published":"2025-10-27T15:09:12Z","modified":"2026-06-04T10:03:44.893859Z","updated_at":"2026-11-02T15:43:42.427288Z"},{"id":"USN-6381-1","title":"binutils vulnerabilities","description":"It was discovered that a memory leak existed in certain GNU binutils\nmodules. An attacker could possibly use this issue to cause a denial of\nservice (memory exhaustion). (CVE-2020-19724, CVE-2020-21490)\n\nIt was discovered that GNU binutils was not properly performing bounds\nchecks in several functions, which could lead to a buffer overflow. An\nattacker could possibly use this issue to cause a denial of service,\nexpose sensitive information or execute arbitrary code.\n(CVE-2020-19726, CVE-2021-46174, CVE-2022-45703)\n\nIt was discovered that GNU binutils was not properly initializing heap\nmemory when processing certain print instructions. An attacker could\npossibly use this issue to expose sensitive information. (CVE-2020-35342)\n\nIt was discovered that GNU binutils was not properly handling the logic\nbehind certain memory management related operations, which could lead to a\nbuffer overflow. An attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. (CVE-2022-44840)\n\nIt was discovered that GNU binutils was not properly handling the logic\nbehind certain memory management related operations, which could lead to\nan invalid memory access. An attacker could possibly use this issue to\ncause a denial of service. (CVE-2022-47695)\n","status":"published","published":"2023-09-18T18:52:10Z","modified":"2026-06-29T13:50:57.656160941Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}