K000161377: NGINX ngx_http_rewrite_module vulnerability CVE-2026-9256

Security Advisory Description NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when a rewrite directive uses a regex pattern with distinct, overlapping Perl-Compatible Regular Expression PCRE captures for example, ^/.$ and a...

K49820145: Apache Tomcat vulnerability CVE-2016-8735

Security Advisory Description Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener...

K01217337: Linux kernel vulnerability CVE-2021-22543

Security Advisory Description An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write...

SOL04403302 - Apache Struts 1 vulnerability CVE-2016-1182

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

K40812100: OpenSSL vulnerability CVE-2021-3711

Security Advisory Description In order to decrypt SM2 encrypted data an application is expected to call the API function EVPPKEYdecrypt. Typically an application will call this function twice. The first time, on entry, the "out" parameter can be NULL and, on exit, the "outlen" parameter is...

K16674: TLS vulnerability CVE-2015-4000

Security Advisory Description The TLS protocol 1.2 and earlier, when a DHEEXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHEEXPORT choice, which allows man-in-the-middle attackers to conduct cipher-downgrade attacks by rewriting a ClientHello with DHE...

K91025336: Linux kernel vulnerability CVE-2019-13272

Security Advisory Description In the Linux kernel before 5.1.17, ptracelink in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child...

SOL80285422 - PHP vulnerabilities CVE-2015-4642, CVE-2015-4643, and CVE-2015-4644

Vulnerability Recommended Actions None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5...

SOL15893 - Apache HTTP server vulnerabilities CVE-2014-0117, CVE-2014-0118, CVE-2014-0226, CVE-2014-0231, and CVE-2014-3523

Recommended action If the previous table lists a version in the Versions known to be not vulnerable column, you can eliminate this vulnerability by upgrading to the listed version. If the table does not list any version in the column, then no upgrade candidate currently exists. Supplemental...

K32760744: libxml2 vulnerability CVE-2022-23308

Security Advisory Description valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. CVE-2022-23308 Impact The security impact of xmlGetID returning a pointer to freed memory depends on the application and mostly results in denial-of-service DoS. The typical use case of...

K17247: PHP vulnerability CVE-2015-1351

Security Advisory Description Use-after-free vulnerability in the zendsharedmemdup function in zendsharedalloc.c in the OPcache extension in PHP through 5.6.7 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors. CVE-2015-1351 Impact...

SOL16832 - DNS vulnerability CVE-1999-0532

A DNS server allows zone transfers. CVE-1999-0532...

K02495251: Ghostscript vulnerability CVE-2018-16509 (VU#332928)

Security Advisory Description An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction...

K38108582: Apache Tomcat vulnerability CVE-2018-11759

Security Advisory Description The Apache Web Server httpd specific code that normalized the requested path before matching it to the URI-worker map in Apache Tomcat JK modjk Connector 1.2.0 to 1.2.44 did not handle some edge cases correctly. If only a sub-set of the URLs supported by Tomcat were...

K45012151: Layer 2 security bypass issue CVE-2021-27861, CVE-2021-27862, CVE-2021-27853, CVE-2021-27854

Security Advisory Description CVE-2021-27861 Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and optionally VLAN0 headers CVE-2021-27862 Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using...

K63714476: Linux kernel vulnerabilities CVE-2022-26353 and CVE-2021-3748

Security Advisory Description CVE-2022-26353 A flaw was found in the virtio-net device of QEMU. This flaw was inadvertently introduced with the fix for CVE-2021-3748, which forgot to unmap the cached virtqueue elements on error, leading to memory leakage and other unexpected results. Affected QEM...

K92111011: Linux kernel vulnerability CVE-2016-2117

Security Advisory Description The atl2probe function in drivers/net/ethernet/atheros/atlx/atl2.c in the Linux kernel through 4.5.2 incorrectly enables scatter/gather I/O, which allows remote attackers to obtain sensitive information from kernel memory by reading packet data.CVE-2016-2117 Impact...

K74843522: MySQL vulnerabilities CVE-2016-9843, CVE-2018-3133, CVE-2018-3137, CVE-2018-3143, and CVE-2018-3144

Security Advisory Description CVE-2016-9843 The crc32big function in crc32.c in zlib 1.2.8 might allow context-dependent attackers to have unspecified impact via vectors involving big-endian CRC calculation. CVE-2018-3133 Vulnerability in the MySQL Server component of Oracle MySQL subcomponent:...

K88251614: GNU Finger vulnerability CVE-1999-0612

Security Advisory Description A version of finger is running that exposes valid user information to any entity on the network. CVE-1999-0612 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status F5 Product Development has evaluated the currently...

K14059: CRIME vulnerability via the SPDY protocol CVE-2012-4930

Security Advisory Description The SPDY protocol 3, and earlier, can perform TLS encryption of compressed data without properly obfuscating the length of the unencrypted data. This allows man-in-the-middle attackers to obtain plain text HTTP headers by observing length differences during a series ...

SOL14371 - Apache Axis vulnerability CVE-2012-5784

Vulnerability Recommended Actions If you are using iControl Assembly 11.2 and earlier, the Apache axis.jar file is vulnerable to CVE-2012-5784. To eliminate this vulnerability, upgrade to iControl Assembly 11.3. To do so, download the latest version of the iControl Assembly package at . Note: A...

K45356577: Java vulnerability CVE-2022-21449

Security Advisory Description Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE component: Libraries. Supported versions that are affected are Oracle Java SE: 17.0.2 and 18; Oracle GraalVM Enterprise Edition: 21.3.1 and 22.0.0.2. Easily exploitable...

K63104801: OpenVPN vulnerabilities CVE-2017-7508, CVE-2017-7520, CVE-2017-7521, and CVE-2017-7522

Security Advisory Description CVE-2017-7508 OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet. CVE-2017-7520 OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive...

SOL15318 - OpenSSL vulnerability CVE-2011-3207

Note: LineRate uses the specified vulnerable OpenSSL version, but CRL validation is not enabled, so the product is not vulnerable. Vulnerability Recommended Actions None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed ...

K78234183: Linux SACK Panic vulnerability CVE-2019-11477

Security Advisory Description Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments SACKs. A remote attacker could use this to cause a denial of service. This has been fixed in stable...

K47105354: Lodash library vulnerability CVE-2019-10744

Security Advisory Description Versions of lodash lower than 4.17.12 are vulnerable to Prototype Pollution. The function defaultsDeep could be tricked into adding or modifying properties of Object.prototype using a constructor payload. CVE-2019-10744 Impact An attacker can use Function inside of...

SOL13304944 - NTP vulnerability CVE-2015-7974

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

SOL16967 - XSS vulnerability in jQuery CVE-2011-4969

Note: As of February 17, 2015, AskF5 Security Advisory articles include the Severity value. Security Advisory articles published before this date do not list a Severity value. Recommended Action None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL995...

K15882: TLS1.x padding vulnerability CVE-2014-8730

Security Advisory Description Incorrect TLS padding may be accepted when terminating TLS 1.x CBC cipher connections. CVE-2014-8730 Impact Attackers may be able to calculate the plaintext of secure connections. Security Advisory Status F5 Product Development has assigned IDs 451218, 450804, and...

K16903: Microsoft Schannel vulnerability CVE-2015-1637

Security Advisory Description Schannel aka Secure Channel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly restrict TLS state...

K44454157: Expat vulnerability CVE-2022-40674

Security Advisory Description libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c. CVE-2022-40674 Impact An attacker may be able to use crafted XML to reference previously freed memory, leading to data corruption or the execution of arbitrary code. Security Advisory...

K73112451: Oracle Java SE vulnerability CVE-2016-3427

Security Advisory Description Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX. CVE-2016-3427 Impact F5 products are not vulnerabl...

SOL16486 - PHP vulnerability CVE-2015-2787

Note: As of February 17, 2015, AskF5 Security Advisory articles include the Severity value. Security Advisory articles published before this date do not list a Severity value. Recommended Action None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL995...

K15342: OpenSSL vulnerability CVE-2014-3470

Security Advisory Description The ssl3sendclientkeyexchange function in s3clnt.c in OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h, when an anonymous ECDH cipher suite is used, allows remote attackers to cause a denial of service NULL pointer dereference and client crash by...

SOL16903 - Microsoft Schannel vulnerability CVE-2015-1637

1 BIG-IP Edge Client for Windows uses Schannel.dll directly and indirectly through WinINet for HTTPS communication with Microsoft Windows. F5 recommends that users apply the applicable Microsoft update posted at . This link takes you to a resource outside of AskF5, and the third party could remov...

K21406935: Oracle WebLogic Server vulnerability CVE-2022-21371

Security Advisory Description Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware component: Web Container. Supported versions that are affected are 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with...

SOL05013313 - IPSec vulnerability CVE-2015-4047

Vulnerability Recommended Actions If you are running a version listed in the Versions known to be vulnerable column, you can eliminate this vulnerability by upgrading to a version listed in the Versions known to be not vulnerable column. If the table lists only an older version than what you are...

SOL9761 - PHP vulnerability - CVE-2008-5557

A heap-based buffer overflow in PHP 4.3.0 through 5.2.6 may allow attackers to execute arbitrary code. Information about this advisory is available at the following location: Note: This link takes you to a resource outside of AskF5, and it is possible that the information may be removed without o...

SOL3126 - Large TCP window sizes may make it easier to predict sequence numbers vulnerability CVE-2004-0230

This vulnerability is found in the principle design of TCP/IP itself and cannot be completely corrected without changing to an alternate protocol. The central issue in this vulnerability is that for long-lived connections, as measured in hours or days, an outside attacker could send a flurry of R...

K73200428: Linux kernel vulnerability CVE-2022-0185

Security Advisory Description A heap-based buffer overflow flaw was found in the way the legacyparseparam function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged in case of unprivileged user namespaces enabled, otherwise needs...

K72382141: Apache HTTPD vulnerability CVE-2021-34798

Security Advisory Description Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier. CVE-2021-34798 Impact A NULL pointer dereference in httpd allows an unauthenticated remote attacker to cause httpd to terminate by providi...

SOL11758085 - OpenSSL vulnerability CVE-2016-6305

Vulnerability Recommended Actions None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5...

SOL6736 - OpenSSH vulnerabilities CAN-2006-5051, CAN-2006-4924

This security advisory describes an OpenSSH Signal Handling vulnerability CVE-2006-5051. A remote attacker could possibly leverage this flaw to cause a denial of service. This security advisory also describes a denial of service bug CVE-2006-4924 in the OpenSSH sshd server. A remote attacker can...

K06145135: Remote DNS security filter vulnerabilities CVE-2003-1491 and CVE-2004-1473

Security Advisory Description CVE-2003-1491 Kerio Personal Firewall KPF 2.1.4 has a default rule to accept incoming packets from DNS UDP port 53, which allows remote attackers to bypass the firewall filters via packets with a source port of 53. CVE-2004-1473 Symantec Enterprise Firewall/VPN...

K50602063: PHP vulnerability CVE-2019-9021

Security Advisory Description An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual...

K15301: Linux kernel TCP ISN vulnerability CVE-2011-3188

Security Advisory Description The 1 IPv4 and 2 IPv6 implementations in the Linux kernel before 3.1 use a modified MD4 algorithm to generate sequence numbers and Fragment Identification values, which makes it easier for remote attackers to cause a denial of service disrupted networking or hijack...

K16339: Multiple PHP vulnerabilities CVE-2014-9425, CVE-2014-9426, CVE-2014-9427, CVE-2015-0231, and CVE-2015-0232

Security Advisory Description Description CVE-2014-9425 Double free vulnerability in the zendtshashgracefuldestroy function in zendtshash.c in the Zend Engine in PHP through 5.5.20 and 5.6.x through 5.6.4 allows remote attackers to cause a denial of service or possibly have unspecified other impa...

SOL15498 - Multiple PHP vulnerabilities

Recommended Action None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents. SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5 critical issue...

SOL14742 - OpenSSH vulnerability CVE-2008-4109

Recommended action None Supplemental Information SOL9970: Subscribing to email notifications regarding F5 products SOL9957: Creating a custom RSS feed to view new and updated documents SOL4602: Overview of the F5 security vulnerability response policy SOL4918: Overview of the F5 critical issue...

K32115847: Linux kernel vulnerability CVE-2017-2647

Security Advisory Description The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service NULL pointer dereference and system crash via vectors involving a NULL value for a certain match field, related to the keyringsearchiterator function...