{"api_version":"1","generated_at":"2026-04-23T01:54:15+00:00","cve":"CVE-2023-34095","urls":{"html":"https://cve.report/CVE-2023-34095","api":"https://cve.report/api/cve/CVE-2023-34095.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-34095","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-34095"},"summary":{"title":"CVE-2023-34095","description":"cpdb-libs provides frontend and backend libraries for the Common Printing Dialog Backends (CPDB) project. In versions 1.0 through 2.0b4, cpdb-libs is vulnerable to buffer overflows via improper use of `scanf(3)`. cpdb-libs uses the `fscanf()` and `scanf()` functions to parse command lines and configuration files, dropping the read string components into fixed-length buffers, but does not limit the length of the strings to be read by `fscanf()` and `scanf()` causing buffer overflows when a string is longer than 1023 characters. A patch for this issue is available at commit f181bd1f14757c2ae0f17cc76dc20421a40f30b7. As all buffers have a length of 1024 characters, the patch limits the maximum string length to be read to 1023 by replacing all occurrences of `%s` with `%1023s` in all calls of the `fscanf()` and `scanf()` functions.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2023-06-14 17:15:00","updated_at":"2023-06-26 15:24:00"},"problem_types":["CWE-121"],"metrics":[],"references":[{"url":"https://github.com/OpenPrinting/cpdb-libs/security/advisories/GHSA-25j7-9gfc-f46x","name":"https://github.com/OpenPrinting/cpdb-libs/security/advisories/GHSA-25j7-9gfc-f46x","refsource":"MISC","tags":[],"title":"buffer overflows via scanf · Advisory · OpenPrinting/cpdb-libs · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L362","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L362","refsource":"MISC","tags":[],"title":"cpdb-libs/tools/cpdb-text-frontend.c at 85555fba64d34f53a2fce099b0488904cc48ed35 · OpenPrinting/cpdb-libs · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L453","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L453","refsource":"MISC","tags":[],"title":"cpdb-libs/tools/cpdb-text-frontend.c at 85555fba64d34f53a2fce099b0488904cc48ed35 · OpenPrinting/cpdb-libs · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/cpdb/cpdb-frontend.c#L372","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/cpdb/cpdb-frontend.c#L372","refsource":"MISC","tags":[],"title":"cpdb-libs/cpdb/cpdb-frontend.c at 85555fba64d34f53a2fce099b0488904cc48ed35 · OpenPrinting/cpdb-libs · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2023/06/14/7","name":"http://www.openwall.com/lists/oss-security/2023/06/14/7","refsource":"MISC","tags":[],"title":"oss-security - CVE-2023-34095: cpdb-libs: Buffer overflows via scanf","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/OpenPrinting/cpdb-libs/commit/f181bd1f14757c2ae0f17cc76dc20421a40f30b7","name":"https://github.com/OpenPrinting/cpdb-libs/commit/f181bd1f14757c2ae0f17cc76dc20421a40f30b7","refsource":"MISC","tags":[],"title":"Merge pull request from GHSA-25j7-9gfc-f46x · OpenPrinting/cpdb-libs@f181bd1 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-34095","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34095","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"34095","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openprinting","cpe5":"cpdb-libs","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"34095","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openprinting","cpe5":"cpdb-libs","cpe6":"2.0","cpe7":"beta1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"34095","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openprinting","cpe5":"cpdb-libs","cpe6":"2.0","cpe7":"beta2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"34095","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openprinting","cpe5":"cpdb-libs","cpe6":"2.0","cpe7":"beta3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"34095","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openprinting","cpe5":"cpdb-libs","cpe6":"2.0","cpe7":"beta4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-34095","qid":"199449","title":"Ubuntu Security Notification for CPDB Vulnerability (USN-6204-1)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-34095","ASSIGNER":"security-advisories@github.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"cpdb-libs provides frontend and backend libraries for the Common Printing Dialog Backends (CPDB) project. In versions 1.0 through 2.0b4, cpdb-libs is vulnerable to buffer overflows via improper use of `scanf(3)`. cpdb-libs uses the `fscanf()` and `scanf()` functions to parse command lines and configuration files, dropping the read string components into fixed-length buffers, but does not limit the length of the strings to be read by `fscanf()` and `scanf()` causing buffer overflows when a string is longer than 1023 characters. A patch for this issue is available at commit f181bd1f14757c2ae0f17cc76dc20421a40f30b7. As all buffers have a length of 1024 characters, the patch limits the maximum string length to be read to 1023 by replacing all occurrences of `%s` with `%1023s` in all calls of the `fscanf()` and `scanf()` functions.\n"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-121: Stack-based Buffer Overflow","cweId":"CWE-121"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"OpenPrinting","product":{"product_data":[{"product_name":"cpdb-libs","version":{"version_data":[{"version_affected":"=","version_value":">= 1.0, <= 2.0b4"}]}}]}}]}},"references":{"reference_data":[{"url":"https://github.com/OpenPrinting/cpdb-libs/security/advisories/GHSA-25j7-9gfc-f46x","refsource":"MISC","name":"https://github.com/OpenPrinting/cpdb-libs/security/advisories/GHSA-25j7-9gfc-f46x"},{"url":"https://github.com/OpenPrinting/cpdb-libs/commit/f181bd1f14757c2ae0f17cc76dc20421a40f30b7","refsource":"MISC","name":"https://github.com/OpenPrinting/cpdb-libs/commit/f181bd1f14757c2ae0f17cc76dc20421a40f30b7"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/cpdb/cpdb-frontend.c#L372","refsource":"MISC","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/cpdb/cpdb-frontend.c#L372"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L362","refsource":"MISC","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L362"},{"url":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L453","refsource":"MISC","name":"https://github.com/OpenPrinting/cpdb-libs/blob/85555fba64d34f53a2fce099b0488904cc48ed35/tools/cpdb-text-frontend.c#L453"},{"url":"http://www.openwall.com/lists/oss-security/2023/06/14/7","refsource":"MISC","name":"http://www.openwall.com/lists/oss-security/2023/06/14/7"}]},"source":{"advisory":"GHSA-25j7-9gfc-f46x","discovery":"UNKNOWN"},"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}]}},"nvd":{"publishedDate":"2023-06-14 17:15:00","lastModifiedDate":"2023-06-26 15:24:00","problem_types":["CWE-121"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openprinting:cpdb-libs:2.0:beta2:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openprinting:cpdb-libs:2.0:beta3:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openprinting:cpdb-libs:2.0:beta4:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openprinting:cpdb-libs:2.0:beta1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openprinting:cpdb-libs:*:*:*:*:*:*:*:*","versionStartIncluding":"1.0","versionEndExcluding":"2.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}