CVE-2026-34831 Rack: Content-Length mismatch in Rack::Files error responses

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Filesfail sets the Content-Length response header using Stringsize instead of Stringbytesize. When the response body contains multibyte UTF-8 characters, the declared Content-Length is smaller than the...

CVE-2026-34230

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...

CVE-2026-34230

Rack: Quadratic-time vulnerability in Rack::Utils.select_best_encoding when Accept-Encoding contains many wildcard entries. An unauthenticated attacker can craft a header to trigger disproportionate CPU usage on Rack::Deflater, causing DoS. Affected versions: < 2.2.23, < 3.1.21,

CVE-2026-34230 Rack: Quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...

CVE-2026-34230 Rack: Quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header

Rack is a modular Ruby web server interface. Prior to versions 2.2.23, 3.1.21, and 3.2.6, Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a respon...

CVE-2026-34974

The CVE-2026-34974 vulnerability affects phpMyFAQ prior to version 4.1.1, where the SVG sanitizer (SvgSanitizer.php) uses regexes that can be bypassed by HTML entity encoding in javascript: URLs inside SVG attributes. An attacker with edit_faq permission can upload a malicious SVG that executes ...

CVE-2026-31934 Suricata smtp/mine: quadratic complexity in extracting urls

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...

CVE-2026-31934 Suricata smtp/mine: quadratic complexity in extracting urls

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...

EUVD-2026-18243

Suricata is a network IDS, IPS and NSM engine. From version 8.0.0 to before version 8.0.4, there is a quadratic complexity issue when searching for URLs in mime encoded messages over SMTP leading to a performance impact. This issue has been patched in version 8.0.4...

SUSE-SU-2026:1170-1 Security update for perl-Crypt-URandom

This update for perl-Crypt-URandom fixes the following issue: Update to 0.550.0 0.55: - CVE-2026-2474: heap buffer overflow in the XS function crypturandomgetrandom bsc1258266. Changelog: - Fix for sysread/read failures. Thanks to Miha Purg for GH20. - Fix for test suite failures on STDOUT...

SUSE CVE-2026-23406

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix side-effect bug in matchchar macro usage The matchchar macro evaluates its character parameter multiple times when traversing differential encoding chains. When invoked with str++, the string pointer advances on eac...

SUSE CVE-2026-23407

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verifydfa The verifydfa function only checks DEFAULTTABLE bounds when the state is not differentially encoded. When the verification loop traverses the differential encoding...

SUSE CVE-2026-23409

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix differential encoding verification Differential encoding allows loops to be created if it is abused. To prevent this the unpack should verify that a diff-encode chain terminates. Unfortunately the differential encod...

Rack 安全漏洞

Rack is a modular Ruby web server interface developed by Rack authors. Vulnerabilities exist in versions of Rack prior to 2.2.23, 3.1.21, and 3.2.6. These vulnerabilities stem from Rack::Utils.selectbestencoding, which has a quadratic time complexity when processing Accept-Encoding headers...

PT-2026-31711

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.20, 10.1.0-M1 through 10.1.53, and 9.0.40 through 9.0.116 Description A flaw exists within the JsonAccessLogValve component of Apache Tomcat related to improper encoding or escaping of output...

PT-2026-29785

phpMyFAQ is an open source FAQ web application. Prior to version 4.1.1, the regex-based SVG sanitizer in phpMyFAQ SvgSanitizer.php can be bypassed using HTML entity encoding in javascript: URLs within SVG attributes. Any user with edit faq permission can upload a malicious SVG that executes...

PT-2026-29809

Name of the Vulnerable Software and Affected Versions Rack versions prior to 2.2.23, 3.1.21, and 3.2.6 Description Rack::Utils.select best encoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by...

Rack's multipart parsing without Content-Length header allows unbounded chunked file uploads

Summary Rack::Multipart::Parser only wraps the request body in a BoundedIO when CONTENTLENGTH is present. When a multipart/form-data request is sent without a Content-Length header, such as with HTTP chunked transfer encoding, multipart parsing continues until end-of-stream with no total size...

Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header

Summary Rack::Utils.selectbestencoding processes Accept-Encoding values with quadratic time complexity when the header contains many wildcard entries. Because this method is used by Rack::Deflater to choose a response encoding, an unauthenticated attacker can send a single request with a crafted...

phpMyFAQ: SVG Sanitizer Bypass via HTML Entity Encoding Leads to Stored XSS and Privilege Escalation

Summary The regex-based SVG sanitizer in phpMyFAQ SvgSanitizer.php can be bypassed using HTML entity encoding in javascript: URLs within SVG attributes. Any user with editfaq permission can upload a malicious SVG that executes arbitrary JavaScript when viewed, enabling privilege escalation from...