{"id":"CVE-2019-12854","aliases":["ALSA-2020:4743","DEBIAN-CVE-2019-12854","DSA-4507-1","EUVD-2019-4434","GHSA-pxgg-fcwc-pc9f","MGASA-2019-0266","RHSA-2020:4743","RLSA-2020:4743","SUSE-SU-2019:2975-1","openSUSE-SU-2019:2540-1","openSUSE-SU-2019:2541-1","openSUSE-SU-2024:11403-1"],"status":"published","title":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated...","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. 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},{"url":"https://bugzilla.suse.com/1156326","tags":["report"]},{"url":"https://bugzilla.suse.com/1156328","tags":["report"]},{"url":"https://bugzilla.suse.com/1156329","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12523","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12525","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12526","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12529","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12854","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-13345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18676","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18677","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18678","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18679","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-3688","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/5B7VIBHEUXO2VYU6NZTEL6I7K4WUKD7G/#5B7VIBHEUXO2VYU6NZTEL6I7K4WUKD7G","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/2PLGSQEPKZX62EREA7UHDNEMHR3Z23A6/#2PLGSQEPKZX62EREA7UHDNEMHR3Z23A6","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10002","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10003","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2569","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-2571","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3947","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4051","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4052","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4553","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-4555","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1000027","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-1172","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19131","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19132","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12519","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12528","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-18860","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11945","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-14059","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15049","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15810","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15811","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-24606","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25097","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8449","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8517","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28651","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28652","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28662","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-31806","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-12854","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2019-08-15T16:15:23Z","modified":"2024-08-04T23:32:55.368Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-4434","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2019-08-15T16:15:23Z","modified":"2024-08-04T23:32:55Z","updated_at":"2026-11-03T02:40:44.884887Z"}],"ghsa":[{"id":"GHSA-pxgg-fcwc-pc9f","title":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated...","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2022-05-24T16:53:40Z","modified":"2024-04-04T01:40:31Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:56:01.233613Z"}],"nvd":[{"id":"CVE-2019-12854","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2019-08-15T17:15:12.753Z","modified":"2026-06-17T02:15:37.367Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:22.878504Z"}],"osv":[{"id":"CVE-2019-12854","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2019-08-15T17:15:12.753Z","modified":"2026-10-24T10:30:47.791712007Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"DEBIAN-CVE-2019-12854","description":"Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it.","status":"published","published":"2019-08-15T17:15:12.753Z","modified":"2026-09-21T07:00:27.873551887Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:31.467893Z"},{"id":"RHSA-2020:4743","title":"Red Hat Security Advisory: squid:4 security, bug fix, and enhancement update","status":"published","published":"2024-09-16T04:22:06Z","modified":"2026-07-04T10:01:03Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:07.57369Z"},{"id":"RLSA-2020:4743","title":"Moderate: squid:4 security, bug fix, and enhancement update","description":"Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.3 Release Notes linked from the References section.","status":"published","published":"2020-11-03T12:32:17Z","modified":"2026-02-04T20:00:07.394661Z","cvss":[{"version":"3.1","score":8.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:23.969672Z"},{"id":"ALSA-2020:4743","title":"Moderate: squid:4 security, bug fix, and enhancement update","description":"Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects.\n\nThe following packages have been upgraded to a later upstream version: squid (4.11). (BZ#1829467)\n\nSecurity Fix(es):\n\n* squid: Improper input validation in request allows for proxy manipulation (CVE-2019-12520)\n\n* squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash (CVE-2019-12521)\n\n* squid: Improper input validation in URI processor (CVE-2019-12523)\n\n* squid: Improper access restriction in url_regex may lead to security bypass (CVE-2019-12524)\n\n* squid: Heap overflow issue in URN processing (CVE-2019-12526)\n\n* squid: Information Disclosure issue in FTP Gateway (CVE-2019-12528)\n\n* squid: Out of bounds read in Proxy-Authorization header causes DoS (CVE-2019-12529)\n\n* squid: Denial of service in cachemgr.cgi (CVE-2019-12854)\n\n* squid: Buffer overflow in URI processor (CVE-2019-18676)\n\n* squid: Cross-Site Request Forgery issue in HTTP Request processing (CVE-2019-18677)\n\n* squid: HTTP Request Splitting issue in HTTP message processing (CVE-2019-18678)\n\n* squid: Information Disclosure issue in HTTP Digest Authentication (CVE-2019-18679)\n\n* squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour (CVE-2019-18860)\n\n* squid: Improper input validation issues in HTTP Request processing (CVE-2020-8449)\n\n* squid: Buffer overflow in reverse-proxy configurations (CVE-2020-8450)\n\n* squid: DoS in TLS handshake (CVE-2020-14058)\n\n* squid: Request smuggling and poisoning attack against the HTTP cache (CVE-2020-15049)\n\n* squid: Improper input validation could result in a DoS (CVE-2020-24606)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","status":"published","published":"2020-11-03T12:32:17Z","modified":"2026-10-29T11:00:17.827616275Z","updated_at":"2026-11-02T15:27:51.196609Z"},{"id":"DSA-4507-1","title":"squid - security update","status":"published","published":"2019-08-24T00:00:00Z","modified":"2026-03-09T02:10:22.063474Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2019-0266","title":"Updated squid packages fix security vulnerabilities","description":"Updated squid packages fix security vulnerabilities:\n\nIt was discovered that Squid incorrectly handled Digest authentication.\nA remote attacker could possibly use this issue to cause Squid to crash,\nresulting in a denial of service (CVE-2019-12525).\n\nIt was discovered that Squid incorrectly handled Basic authentication.\nA remote attacker could use this issue to cause Squid to crash, resulting\nin a denial of service, or possibly execute arbitrary code (CVE-2019-12527).\n\nIt was discovered that Squid incorrectly handled Basic authentication.\nA remote attacker could possibly use this issue to cause Squid to crash,\nresulting in a denial of service (CVE-2019-12529).\n\nDue to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7\nmay access unallocated memory. On systems with memory access protections,\nthis can cause the CGI process to terminate unexpectedly, resulting in a\ndenial of service for all clients using it (CVE-2019-12854).\n\nIt was discovered that Squid incorrectly handled the cachemgr.cgi web\nmodule. A remote attacker could possibly use this issue to conduct\ncross-site scripting (XSS) attacks (CVE-2019-13345).\n\nThe squid package has been updated to version 4.8, fixing these issues and\nother bugs.\n","status":"published","published":"2019-09-12T19:09:52Z","modified":"2026-04-16T04:44:43.56211036Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2019:2540-1","title":"Security update for squid","description":"This update for squid to version 4.9 fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in cachemgr.cgi (bsc#1140738).\n- CVE-2019-12526: Fixed potential remote code execution during URN processing (bsc#1156326).\n- CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in URI processing (bsc#1156329).\n- CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request processing (bsc#1156328).\n- CVE-2019-18678: Fixed incorrect message parsing which could have led to HTTP request splitting issue (bsc#1156323).\n- CVE-2019-18679: Fixed information disclosure when processing HTTP Digest Authentication (bsc#1156324).\n\nOther issues addressed:\n\n * Fixed DNS failures when peer name was configured with any upper case characters\n * Fixed several rock cache_dir corruption issues\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-11-21T13:25:53Z","modified":"2026-02-04T03:02:00.221686Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2019:2541-1","title":"Security update for squid","description":"This update for squid to version 4.9 fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in cachemgr.cgi (bsc#1140738).\n- CVE-2019-12526: Fixed potential remote code execution during URN processing (bsc#1156326).\n- CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in URI processing (bsc#1156329).\n- CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request processing (bsc#1156328).\n- CVE-2019-18678: Fixed incorrect message parsing which could have led to HTTP request splitting issue (bsc#1156323).\n- CVE-2019-18679: Fixed information disclosure when processing HTTP Digest Authentication (bsc#1156324).\n\nOther issues addressed:\n\n * Fixed DNS failures when peer name was configured with any upper case characters\n * Fixed several rock cache_dir corruption issues\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-11-21T13:26:12Z","modified":"2026-02-04T03:23:00.068716Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:11403-1","title":"squid-4.16-1.5 on GA media","description":"These are all security issues fixed in the squid-4.16-1.5 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:28:26.444707Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2019:2975-1","title":"Security update for squid","description":"This update for squid to version 4.9 fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in cachemgr.cgi (bsc#1140738).\n- CVE-2019-12526: Fixed potential remote code execution during URN processing (bsc#1156326).\n- CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in URI processing (bsc#1156329).\n- CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request processing (bsc#1156328).\n- CVE-2019-18678: Fixed incorrect message parsing which could have led to HTTP request splitting issue (bsc#1156323).\n- CVE-2019-18679: Fixed information disclosure when processing HTTP Digest Authentication (bsc#1156324).\n\nOther issues addressed:\n\n * Fixed DNS failures when peer name was configured with any upper case characters\n * Fixed several rock cache_dir corruption issues\n","status":"published","published":"2019-11-14T16:02:41Z","modified":"2026-02-04T03:09:27.896801Z","updated_at":"2026-11-02T15:53:47.06185Z"}]}}