Staging Environment: Content and features may be unstable or change without notice.
Search for packages
Package details: pkg:composer/symfony/symfony@3.4.2
purl pkg:composer/symfony/symfony@3.4.2
Next non-vulnerable version 5.4.54
Latest non-vulnerable version 8.1.7
Risk score 4.4
Vulnerabilities affecting this package (54)
Advisory Summary Fixed in package version
GHSA-5pv8-ppvj-4h68
Aliases:
CVE-2021-21424
Prevent user enumeration using Guard or the new Authenticator-based Security Description ----------- The ability to enumerate users was possible without …
3.4.49
Vulnerable
GHSA-3rg7-wf37-54rm
Aliases:
CVE-2025-64500
Symfony's incorrect parsing of PATH_INFO can lead to limited authorization bypass ### Description The `Request` class improperly interprets some `PATH_INFO` …
5.4.50
Vulnerable
GHSA-8wgj-6wx8-h5hq
Aliases:
CVE-2018-14773
Symfony HTTP Foundation web cache poisoning An issue was discovered in Http Foundation in Symfony 2.7.0 through 2.7.48, 2.8.0 through …
3.4.14
Vulnerable
GHSA-q8hg-pf8v-cxrv
Aliases:
CVE-2019-18887
Symfony Http-Kernel has non-constant time comparison in UriSigner When checking the signature of an URI (an ESI fragment URL for …
3.4.35
Vulnerable
GHSA-g996-q5r8-w7g2
Aliases:
CVE-2019-10909
Symfony Cross-site Scripting (XSS) vulnerability In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x …
3.4.26
Vulnerable
GHSA-79gr-58r3-pwm3
Aliases:
CVE-2019-18889
Symfony Unsafe Cache Serialization Could Enable RCE An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and …
3.4.35
Vulnerable
GHSA-xhh6-956q-4q69
Aliases:
CVE-2019-18888
Argument injection in a MimeTypeGuesser in Symfony An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 …
3.4.35
Vulnerable
GHSA-g3rh-rrhp-jhh9
Aliases:
CVE-2024-50343
Symfony has an incorrect response from Validator when input ends with `\n` ### Description It is possible to trick a …
5.4.43
Vulnerable
GHSA-qq5c-677p-737q
Aliases:
CVE-2024-51736
Symfony vulnerable to command execution hijack on Windows with Process class ### Description On Windows, when an executable file named …
5.4.46
Vulnerable
GHSA-q847-2q57-wmr3
Aliases:
CVE-2023-46734
Symfony potential Cross-site Scripting vulnerabilities in CodeExtension filters ### Description Some Twig filters in CodeExtension use "is_safe=html" but don't actually …
4.4.51
Vulnerable
GHSA-3gv2-29qc-v67m
Aliases:
CVE-2022-24895
Symfony vulnerable to Session Fixation of CSRF tokens Description ----------- When authenticating users Symfony by default regenerates the session ID …
4.4.50
Vulnerable
GHSA-h7vf-5wrv-9fhv
Aliases:
CVE-2022-24894
Symfony storing cookie headers in HttpCache Description ----------- The Symfony HTTP cache system acts as a reverse proxy: it caches …
4.4.50
Vulnerable
GHSA-6h46-9jf5-q59x
Aliases:
CVE-2026-48489
Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes ### Description When a firewall is configured …
5.4.53
Vulnerable
GHSA-h5x3-xfc9-m39h
Aliases:
CVE-2026-48784
Symfony: UrlGenerator Dot-Segment Encoding Skips Every Other Chained `../` or `./` → Generated URL Collapses Off-Route Under RFC 3986 Normalization …
5.4.53
Vulnerable
GHSA-x6g4-fwcc-jj8w
Aliases:
CVE-2026-45071
Symfony has XXE (Local File Disclosure) in DomCrawler::addXmlContent() via validateOnParse = true ### Description `symfony/dom-crawler` provides the `Crawler` class for …
5.4.52
Vulnerable
GHSA-vqc8-7275-q272
Aliases:
CVE-2026-45070
Symfony has Email Header Injection via Non-Token Characters in Mime Parameter Names ### Description `Symfony\Component\Mime\Header\ParameterizedHeader` (and the related parameter handling …
5.4.52
Vulnerable
GHSA-c2p3-7m5p-cv8x
Aliases:
CVE-2026-45133
Symfony hardened the parser when handling untrusted input ### Description `Symfony\Component\Yaml\Parser` is the entry point for parsing YAML strings into …
5.4.52
Vulnerable
GHSA-4qpc-3hr4-r2p4
Aliases:
CVE-2026-45304
Symfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs") ### Description `Symfony\Component\Yaml\Parser` resolves YAML aliases …
5.4.52
Vulnerable
GHSA-72xp-p242-47p9
Aliases:
CVE-2026-45065
Symfony has a UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection ### Description Symfony routes can …
5.4.52
Vulnerable
GHSA-qpmx-3rfj-7rhv
Aliases:
CVE-2026-45067
Symfony has Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address ### Description `Symfony\Component\Mime\Address` is the value-object every Symfony …
5.4.52
Vulnerable
GHSA-xx3c-qf5g-hc39
Aliases:
CVE-2026-45068
Symfony has an Argument Injection in SendmailTransport via Dash-Prefixed Recipient Address ### Description Symfony Mailer selects a transport via the …
5.4.52
Vulnerable
GHSA-m7v2-7gxm-vc2v
Aliases:
CVE-2026-45077
Symfony has Unauthenticated PHP Object Deserialization in MonologBridge server:log Listener ### Description `Symfony\Bridge\Monolog\Command\ServerLogCommand` (the `server:log` console command) is a development-time …
5.4.52
Vulnerable
GHSA-6qh9-h6wf-jgqc
Aliases:
CVE-2026-45073
Symfony Vulnerable to SQL Injection in PdoAdapter::doClear() via Unsanitized $prefix ### Description `Symfony\Component\Cache\Adapter\PdoAdapter` is the PDO-backed cache adapter. Its `clear($prefix)` …
5.4.52
Vulnerable
GHSA-9frc-8383-795m
Aliases:
CVE-2026-45305
Symfony's YAML Parser has a ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex ### Description `Symfony\Component\Yaml\Parser::cleanup()` strips the optional `%YAML` directive …
5.4.52
Vulnerable
GHSA-ph86-p8f6-f9r2
Aliases:
CVE-2026-45063
Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator ### Description `X509Authenticator` implements client-certificate (mTLS) authentication: the web …
5.4.52
Vulnerable
GHSA-r39x-jcww-82v6
Aliases:
CVE-2026-24739
Symfony's incorrect argument escaping under MSYS2/Git Bash can lead to destructive file operations on Windows ### Summary The Symfony Process …
5.4.51
Vulnerable
CVE-2018-11386

Insufficient Session Expiration An issue was discovered in the `HttpFoundation` component in Symfony. The `PDOSessionHandler` class allows storing sessions on …
2.8.41
Vulnerable
3.4.11
Vulnerable
4.0.11
Vulnerable
CVE-2018-11407

Improper Authentication An issue was discovered in the Ldap component in Symfony. It allows remote attackers to bypass authentication by …
2.8.37
Vulnerable
3.4.7
Vulnerable
4.0.7
Vulnerable
CVE-2018-14773

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') An issue was discovered in Http Foundation in Symfony. It arises from …
4.1.3
Vulnerable
2.8.44
Vulnerable
3.4.14
Vulnerable
4.0.14
Vulnerable
CVE-2021-21424
Aliases:
GHSA-5pv8-ppvj-4h68
Information Exposure Symfony is a PHP framework for web and console applications and a set of reusable PHP components. The …
5.2.8
Vulnerable
4.4.23
Vulnerable
3.4.48
Vulnerable
CVE-2019-10909

Cross-site Scripting In Symfony, validation messages are not escaped, which can lead to XSS when user input is included. This …
4.2.7
Vulnerable
2.8.50
Vulnerable
3.4.26
Vulnerable
2.7.51
Vulnerable
CVE-2018-11408

URL Redirection to Untrusted Site (Open Redirect) The security handlers in the Security component in Symfony have an Open redirect …
2.7.48
Vulnerable
2.8.41
Vulnerable
3.4.11
Vulnerable
4.0.11
Vulnerable
CVE-2018-19789

Unrestricted Upload of File with Dangerous Type When using the scalar type hint `string` in a setter method (e.g. `setName(string$name)`) …
4.1.9
Vulnerable
4.2.1
Vulnerable
2.7.50
Vulnerable
2.8.49
Vulnerable
3.4.20
Vulnerable
4.0.15
Vulnerable
CVE-2018-19790

URL Redirection to Untrusted Site (Open Redirect) By using backslashes in the `_failure_path` input field of login forms, an attacker …
4.1.9
Vulnerable
4.2.1
Vulnerable
2.7.50
Vulnerable
2.8.49
Vulnerable
3.4.20
Vulnerable
4.0.15
Vulnerable
CVE-2018-11406

Cross-Site Request Forgery (CSRF) By default, a user's session is invalidated when the user is logged out. This behavior can …
2.8.41
Vulnerable
3.4.11
Vulnerable
4.0.11
Vulnerable
CVE-2018-11385

Session Fixation A session fixation vulnerability within the `Guard` login feature may allow an attacker to impersonate a victim towards …
2.8.41
Vulnerable
3.4.11
Vulnerable
4.0.11
Vulnerable
CVE-2019-10912

Deserialization of Untrusted Data In Symfony it is possible to cache objects that may contain bad user input. On serialization …
4.2.7
Vulnerable
2.8.50
Vulnerable
3.4.26
Vulnerable
CVE-2019-10913

SQL Injection In Symfony, HTTP Methods provided as verbs or using the override header may be treated as trusted input, …
4.2.7
Vulnerable
2.8.50
Vulnerable
3.4.26
Vulnerable
2.7.51
Vulnerable
CVE-2019-10911

Improper Authentication In Symfony, a vulnerability would allow an attacker to authenticate as a privileged user on sites with user …
4.2.7
Vulnerable
2.8.50
Vulnerable
3.4.26
Vulnerable
2.7.51
Vulnerable
GHSA-g4rg-rw65-8hfg
Aliases:
CVE-2018-11385
Symfony Session Fixation Vulnerability An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, …
3.4.11
Vulnerable
3.4.11
Vulnerable
GHSA-35c5-28pg-2qg4
Aliases:
CVE-2018-11407
Symfony Authentication Bypass An issue was discovered in the LDAP component in Symfony 2.8.x before 2.8.37, 3.3.x before 3.3.17, 3.4.x …
3.4.7
Vulnerable
3.4.7
Vulnerable
GHSA-x3cf-w64x-4cp2
Aliases:
CVE-2018-19789
Symfony Path Disclosure An issue was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before …
3.4.20
Vulnerable
3.4.20
Vulnerable
GHSA-g4g7-q726-v5hg
Aliases:
CVE-2018-11406
Symfony CSRF Token Fixation An issue was discovered in the Security component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, …
3.4.11
Vulnerable
3.4.11
Vulnerable
GHSA-89r2-5g34-2g47
Aliases:
CVE-2018-19790
Symfony Open Redirect An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x …
3.4.20
Vulnerable
3.4.20
Vulnerable
GHSA-7hwc-2cq4-6x2w
Aliases:
CVE-2018-11408
Symfony Open Redirect The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x …
3.4.11
Vulnerable
3.4.11
Vulnerable
GHSA-r2rq-3h56-fqm4
Aliases:
CVE-2018-11386
Symfony DoS An issue was discovered in the HttpFoundation component in Symfony 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before …
3.4.11
Vulnerable
3.4.11
Vulnerable
GHSA-pgwj-prpq-jpc2
Aliases:
CVE-2019-10910
Symfony Service IDs Allow Injection In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x …
3.4.26
Vulnerable
3.4.26
Vulnerable
GHSA-x92h-wmg2-6hp7
Aliases:
CVE-2019-10913
Invalid HTTP method overrides allow possible XSS or other attacks in Symfony In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x …
3.4.26
Vulnerable
3.4.26
Vulnerable
GHSA-w2fr-65vp-mxw3
Aliases:
CVE-2019-10912
Deserialization of untrusted data in Symfony In Symfony before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before 4.2.7, …
3.4.26
Vulnerable
3.4.26
Vulnerable
GHSA-cchx-mfrc-fwqr
Aliases:
CVE-2019-10911
Improper authentication in Symfony In Symfony before 2.7.51, 2.8.x before 2.8.50, 3.x before 3.4.26, 4.x before 4.1.12, and 4.2.x before …
3.4.26
Vulnerable
3.4.26
Vulnerable
CVE-2024-50345
Aliases:
GHSA-mrqx-rp3w-jpjp
Symfony vulnerable to open redirect via browser-sanitized URLs The `Request` class, does not parse URI with special characters the same …
5.4.46
Vulnerable
6.4.14
Vulnerable
7.1.7
Vulnerable
5.4.46
Vulnerable
6.4.14
Vulnerable
7.1.7
Vulnerable
CVE-2022-23601
Aliases:
GHSA-vvmr-8829-6whx
Cross-Site Request Forgery (CSRF) Symfony is a PHP framework for web and console applications and a set of reusable PHP …
5.4.4
Vulnerable
5.3.15
Vulnerable
6.0.4
Vulnerable
5.4.4
Vulnerable
5.3.15
Vulnerable
6.0.4
Vulnerable
GHSA-66p6-7p29-55p9
Aliases:
CVE-2018-14774
Symfony Host Header Injection An issue was discovered in HttpKernel in Symfony 2.7.0 through 2.7.48, 2.8.0 through 2.8.43, 3.3.0 through …
3.4.14
Vulnerable
4.0.14
Vulnerable
4.1.3
Vulnerable
3.4.14
Vulnerable
4.0.14
Vulnerable
4.1.3
Vulnerable
3.4.14
Vulnerable
GHSA-2v3c-qxhr-7vpv
Aliases:
CVE-2026-109413
Symfony: Unbounded Recursion in the YAML Inline Lexer Lets a Single Document Crash the Process ### Description `Yaml\Parser::lexInlineStructure()` recursed through …
5.4.54
Not vulnerable
This package is not known to fix any advisories.