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    CVE-2018-19131

    Squid before 4.4 has XSS via a crafted X.509 certificate during HTTP(S) error page generation for certificate errors.

    Published:Oct 31, 2018
    Last Modified:Nov 21, 2024
    EPS:Nov 9, 2018
    EPSS Score:0.04006
    CVSS Score:6.1

    Affected Products

    Vendor
    Squid-cache
    Product
    Squid

    Exploits

    https://github.com/JonathanWilbur/CVE-2018-19131

    Related CVEs

    CVE-2026-50012 (CVSS 5.5) — Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest re…
    CVE-2026-47729 (CVSS 6.5) — Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of …
    CVE-2026-33526 (CVSS 9.2) — Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to…
    CVE-2026-33515 (CVSS 6.9) — Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid is vulnera…
    CVE-2026-32748 (CVSS 8.7) — Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expect…
    CVE-2025-62168 (CVSS 10) — Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication …
    CVE-2025-59362 (CVSS 4) — Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/a…
    CVE-2025-54574 (CVSS 9.3) — Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow…
    CVE-2024-45802 (CVSS 7.5) — Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validati…
    CVE-2024-37894 (CVSS 6.3) — Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write erro…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High