Prosody XMPP server advisory 2026-04-29

The Prosody team reports: Traffic patterns were discovered which can cause Prosody to consume excessive amounts of memory with much smaller amounts of incoming traffic. This traffic can be sent by unauthenticated connections. It was discovered that modproxy65’s access control was broken and...

GHSA-63CW-R7XF-JMWR CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification

Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...

CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification

Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...

SUSE-SU-2026:1641-1 Security update for dovecot22

This update for dovecot22 fixes the following issues: - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing bsc1260895. - CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client bsc1260902. - CVE-2026-27855: OTP...

[SECURITY] Fedora 44 Update: nginx-1.28.3-1.fc44

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

CVE-2026-41309

Open Source Social Network OSSN is open-source social networking software developed in PHP. Versions prior to 9.0 are vulnerable to resource exhaustion. An attacker can upload a specially crafted image with extreme pixel dimensions e.g., $10000 \times 10000$ pixels. While the compressed file size...

CVE-2026-41173

OpenTelemetry.Sampler.AWS is affected by an unbounded HTTP response body read in the AWS X-Ray remote sampler prior to 0.1.0-alpha.8. The AWSXRaySamplerClient.DoRequestAsync call reads the entire HTTP response into memory (ReadAsStringAsync) without size limits, enabling an attacker controlling o...

CVE-2026-40894

OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators...

openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20598-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20598-1 advisory. Changes in python-PyPDF2: - CVE-2026-40260: crafted PDF can lead to large memory usage bsc1262284 Tenable has extracted the preceding description block...

CVE-2026-33595

A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection...

CVE-2026-33257 Insufficient input validation of internal webserver

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default...

CVE-2026-33257

An attacker can send a web request that causes unlimited memory allocation in the internal web server, leading to a denial of service. The internal web server is disabled by default...

Security update for python-PyPDF2 (moderate)

openSUSE security update: security update for python-pypdf2 ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20598-1 Rating: moderate References: bsc1262284 Cross-References: CVE-2026-40260 Affected Products: openSUSE Leap 16.0...

OPENSUSE-SU-2026:20598-1 Security update for python-PyPDF2

This update for python-PyPDF2 fixes the following issues: Changes in python-PyPDF2: - CVE-2026-40260: crafted PDF can lead to large memory usage bsc1262284...

CVE-2026-40260

pypdf is a free and open-source pure-python PDF library. In versions prior to 6.10.0, manipulated XMP metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. This issue has...

SUSE-SU-2026:21208-1 Security update for dovecot24

This update for dovecot24 fixes the following issues: - Update to v2.4.3 - CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins bsc1260894. - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing bsc1260895. -...

Memory Limit Bypass

LiquidJS is vulnerable to Memory Limit Bypass. The vulnerability is due to the replace filter incorrectly accounting for memory usage when the memoryLimit option is enabled, where an attacker who controls template content can bypass the memoryLimit DoS protection with approximately 2,500x...

CVE-2026-35034 Jellyfin: Potential Application DoS from excessively large SyncPlay group names

Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a denial of service vulnerability in the SyncPlay group creation endpoint POST /SyncPlay/New, where an authenticated user can create groups with names of unlimited size due to insufficient input validation. By...

golang: archive/zip: Excessive CPU consumption when building archive index in archive/zip

A flaw was found in the archive/zip package in the Go standard library. A super-linear file name indexing algorithm is used in the first time a file in an archive is opened. A crafted zip archive containing a specific arrangement of file names can cause an excessive CPU and memory consumption. A ...

undici: Undici: Denial of Service due to uncontrolled resource consumption

A flaw was found in Undici. When the interceptors.deduplicate feature is enabled, response data for deduplicated requests can accumulate in memory. A remote attacker, by sending large or chunked responses and concurrent identical requests from an untrusted endpoint, can exploit this uncontrolled...