CVE-2026-27586

Summary (CVE-2026-27586): Caddy prior to 2.11.1 has two swallowed errors in ClientAuthentication.provision() that cause mTLS client authentication to silently fail open when the CA certificate file is missing, unreadable, or malformed. The server starts and accepts client certs signed by any syst...

CVE-2026-27586 Caddy's mTLS client authentication silently fails open when CA certificate file is missing or malformed

Caddy is an extensible server platform that uses TLS by default. Prior to version 2.11.1, two swallowed errors in ClientAuthentication.provision cause mTLS client certificate authentication to silently fail open when a CA certificate file is missing, unreadable, or malformed. The server starts...

CLSA-2026-1771925958 python2: Fix of 2 CVEs

CVE-2026-1299: reject email header values containing newlines without whitespace to prevent header injection and info leak via the buffer protocol - CVE-2024-6923: ensure email headers are encoded and verified correctly, raising exceptions for malformed input to prevent processing of invalid or...

Signed to Unsigned Conversion Error

Overview Affected versions of this package are vulnerable to Signed to Unsigned Conversion Error via the istreamnonparallelread function in ImfContextInit.cpp when parsing a malformed EXR file through a memory-mapped IStream. An attacker can cause a heap buffer overflow by supplying a specially...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the NnefPfdManagement process. An attacker can obtain internal parsing error details by sending malformed requests to the NEF component, which may assist in service fingerprinting. Remediation Upgrade...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the NnefPfdManagement service in the NEF component. An attacker can obtain internal parsing error details by sending malformed requests, which may facilitate service fingerprinting. Remediation Upgrade...

UBUNTU-CVE-2026-26981

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

CVE-2026-26981

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

CVE-2026-26981

OpenEXR CVE-2026-26981 affects 3.3.0–3.3.6 and 3.4.0–3.4.4; a heap-buffer-overflow (OOB read) occurs in istream_nonparallel_read in ImfContextInit.cpp when parsing a malformed EXR via a memory-mapped IStream. A signed integer subtraction becomes a negative value that is implicitly cast to size_t,...

CVE-2026-26981 OpenEXR has heap-buffer-overflow via signed integer underflow in ImfContextInit.cpp

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

CVE-2026-26981

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

CVE-2026-26981 OpenEXR has heap-buffer-overflow via signed integer underflow in ImfContextInit.cpp

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In versions 3.3.0 through 3.3.6 and 3.4.0 through 3.4.4, a heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in...

CVE-2026-26024

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-26025

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...

CVE-2026-25501

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics due to nil pointer dereference and the SMF process terminates. This is triggered by a malformed PFCP...

CVE-2026-21864 Remote DoS from malformed RESTORE command

Valkey-Bloom is a Rust based Valkey module which brings a Bloom Filter Module data type into the Valkey distributed key-value database. Prior to commit a68614b6e3845777d383b3a513cedcc08b3b7ccd, a specially crafted RESTORE command can cause Valkey to hit an assertion, causes the server to shutdown...

SUSE CVE-2026-27026

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires a malformed /FlateDecode stream, where the byte-by-byte decompression is used. This vulnerability is fixed in 6.7.1...

Expected Behavior Violation

Overview Affected versions of this package are vulnerable to Expected Behavior Violation via the PFCP Association Setup Request process. An attacker can cause service disruption and trigger reconnection loops by sending a malformed request that is incorrectly accepted, resulting in an inconsisten...

Expected Behavior Violation

Overview Affected versions of this package are vulnerable to Expected Behavior Violation via the PFCP Association Setup Request process. An attacker can cause service disruption and trigger reconnection loops by sending a malformed request that is incorrectly accepted, resulting in an inconsisten...

EUVD-2026-7464

free5GC SMF provides Session Management Function for free5GC, an open-source project for 5th generation 5G mobile core networks. In versions up to and including 1.4.1, SMF panics and terminates when processing a malformed PFCP SessionReportRequest on the PFCP UDP/8805 interface. No known upstrea...