libexpat: libexpat: Memory corruption vulnerability allows arbitrary code execution or denial of service

A flaw was found in libexpat. The library's handling of custom encoding callbacks lacks proper tracking of handler call depth, which can lead to a use-after-free vulnerability. This memory corruption flaw could allow a local attacker to cause a denial of service or potentially execute arbitrary...

CVE-2026-86143

In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a...

Security Bulletin: DataStage on Cloud Pak for Data has several vulnerabilities due to open source software

Summary Open source packages are used as part of the overall processing in DataStage on Cloud Pak for Data Vulnerability Details CVEID:CVE-2026-21637 DESCRIPTION: A flaw in Node.js TLS error handling allows remote attackers to crash or exhaust resources of a TLS server when pskCallback or...

Updated perl-Text-CSV_XS packages fix a security vulnerability

Text::CSVXS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory corruption...

MGASA-2026-0370 Updated perl-Text-CSV_XS packages fix a security vulnerability

Text::CSVXS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory corruption...

DRUPAL-CONTRIB-2026-130

The Monobank payment API module provides integration with Monobank acquiring payments. The module did not verify the Monobank webhook signature before processing payment status callbacks...

CVE-2026-14215

The Booking for Appointments and Events Calendar WordPress plugin before 2.4.9 does not require authentication or a valid request token before running the post-booking action chain, allowing an unauthenticated user to trigger booking notifications and integration callbacks for a booking by...

CVE-2026-14215

The Booking for Appointments and Events Calendar WordPress plugin (Amelia) versions before 2.4.9 is vulnerable to an unauthenticated post-booking action trigger. The root cause is a lack of authentication or valid request token verification before executing the post-booking action chain . An unau...

CVE-2026-14215 Amelia < 2.4.9 - Unauthenticated Post-Booking Action Trigger

The Booking for Appointments and Events Calendar WordPress plugin before 2.4.9 does not require authentication or a valid request token before running the post-booking action chain, allowing an unauthenticated user to trigger booking notifications and integration callbacks for a booking by...

libssh: libssh: use-after-free via data callbacks on closed channels

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

libssh: libssh: use-after-free via data callbacks on closed channels

A flaw was found in libssh. If data packets are processed after a channel is closed, channel data callbacks can be invoked after the associated data has already been freed, leading to crashes or possible use-after-free conditions...

CVE-2026-82462: Insufficient Verification of Data Authenticity

pac4j-oidc before 6.5.6 accepts OIDC callbacks carrying only an access token without authorization code or ID token validation. Attackers can substitute access tokens minted for other clients to create authenticated sessions without proper issuer, audience, nonce, or subject verification...

CVE-2026-56854 Source-address critical option not enforced for non-public-key auth callbacks in golang.org/x/crypto/ssh

The source-address critical option in the Permissions returned by an authentication callback was only enforced for the PublicKeyCallback and VerifiedPublicKeyCallback paths, extending the fix for CVE-2026-46595. Permissions returned by the PasswordCallback, KeyboardInteractiveCallback,...

CVE-2026-80698

CVE-2026-80698 is a double free vulnerability in the Linux kernel's dmaengine idxd driver. The release callbacks for work queue (wq ), engine , and group structs each call kfree(), while setup error paths and cleanup functions also explicitly called kfree() after put_device(), causing the struct ...

PT-2026-83135

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A flaw exists where the source-address critical option in the Permissions returned by certain authentication callbacks is not validated against the client's remo...

EUVD-2026-66477

In the Linux kernel, the following vulnerability has been resolved: gpio: ml-ioh: use rawspinlockt for the register lock iohirqtype is registered as the irqchip .irqsettype callback and takes chip-spinlock with spinlockirqsave. This callback is reached from setupirq - irqsettrigger -...

libexpat: libexpat: Memory corruption vulnerability allows arbitrary code execution or denial of service

A flaw was found in libexpat. The library's handling of custom encoding callbacks lacks proper tracking of handler call depth, which can lead to a use-after-free vulnerability. This memory corruption flaw could allow a local attacker to cause a denial of service or potentially execute arbitrary...

CVE-2026-76957

A flaw was found in libexpat. The library's handling of custom encoding callbacks lacks proper tracking of handler call depth, which can lead to a use-after-free vulnerability. This memory corruption flaw could allow a local attacker to cause a denial of service or potentially execute arbitrary...

CVE-2026-14216 Amelia < 2.4.7 - Unauthenticated Notification Queue Dispatch

The Booking for Appointments and Events Calendar WordPress plugin before 2.4.7 does not require authentication before processing its pending notification queue, allowing an unauthenticated user to force the dispatch of queued notifications and integration callbacks...

EUVD-2026-66269

The Booking for Appointments and Events Calendar WordPress plugin before 2.4.7 does not require authentication before processing its pending notification queue, allowing an unauthenticated user to force the dispatch of queued notifications and integration callbacks...