CVE-2026-50013

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the "AddDiff" function writes to the shared "responsesDiff" map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any...

CVE-2026-50013 Hoverfly: Process Crash via Concurrent Map Write Race Condition in Diff Mode

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the AddDiff function writes to the shared responsesDiff map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any proxy,...

CVE-2026-50013 Hoverfly: Process Crash via Concurrent Map Write Race Condition in Diff Mode

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the AddDiff function writes to the shared responsesDiff map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any proxy,...

CVE-2026-50013

Hoverfly (an open-source API simulation/proxy tool by SpectoLabs) is affected by an unsynchronized concurrent map write in its Diff mode . Prior to version 1.12.8 , the AddDiff() function writes to the shared responsesDiff map without a mutex. Because Hoverfly processes proxy requests concurrentl...

EUVD-2026-76755

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the AddDiff function writes to the shared responsesDiff map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any proxy,...

CVE-2026-50013 Hoverfly: Process Crash via Concurrent Map Write Race Condition in Diff Mode

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the AddDiff function writes to the shared responsesDiff map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any proxy,...

CVE-2026-50013: Concurrent Execution using Shared Resource with Improper Synchronization

Hoverfly is an open source API simulation tool. Prior to version 1.12.8, when Hoverfly is running in Diff mode, the AddDiff function writes to the shared responsesDiff map without any synchronization no mutex. When multiple proxy requests are processed concurrently the normal case for any proxy,...

CVE-2026-45712

CVE-2026-45712 concerns Mailpit's proxy CSS rewriter exposing a race condition: an unsynchronized read of a package-level assets map occurs concurrently with writes under the assetsMutex, causing a runtime panic (concurrent map read and map write) and a full Mailpit process crash, taking SMTP/POP...

CVE-2026-45712: Concurrent Execution using Shared Resource with Improper Synchronization

Mailpit is an email testing tool and API for developers. Prior to version 1.30.0, the screenshot/print proxy /proxy?data=… maintains a package-level assets mapstringMessageAssets cache, but reads the map without holding assetsMutex while a long-running cleanup goroutine and re-entrant CSS-rewriti...

GO-2026-5977 Hoverfly: Process Crash via Concurrent Map Write Race Condition in Diff Mode in github.com/SpectoLabs/hoverfly

Hoverfly: Process Crash via Concurrent Map Write Race Condition in Diff Mode in github.com/SpectoLabs/hoverfly...

GO-2026-5689 Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write) in github.com/axllent/mailpit

Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash fatal error: concurrent map read and map write in github.com/axllent/mailpit...

CVE-2026-44318 free5GC: BSF concurrent PUT /nbsf-management/v1/subscriptions/{subId} crashes the BSF process via concurrent map read/write on Subscriptions

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's BSF PUT /nbsf-management/v1/subscriptions/subId handler has an unsynchronized write on the global Subscriptions map. The handler first reads the map under RLock via BSFContext.GetSubscriptionsubId, but if t...

CVE-2026-44318

Summary: The vulnerability CVE-2026-44318 affects free5GC BSF before 4.2.2, where PUT /nbsf-management/v1/subscriptions/{subId} unsafely writes to the global Subscriptions map without proper locking in the create-if-absent path. A concurrent authenticated PUT can cause a race between a read (RLoc...

CVE-2026-44318

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's BSF PUT /nbsf-management/v1/subscriptions/subId handler has an unsynchronized write on the global Subscriptions map. The handler first reads the map under RLock via BSFContext.GetSubscriptionsubId, but if t...

CVE-2026-44318: Concurrent Execution using Shared Resource with Improper Synchronization

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's BSF PUT /nbsf-management/v1/subscriptions/subId handler has an unsynchronized write on the global Subscriptions map. The handler first reads the map under RLock via BSFContext.GetSubscriptionsubId, but if t...

GO-2026-4994 free5GC's BSF concurrent PUT /nbsf-management/v1/subscriptions/{subId} crashes the BSF process via concurrent map read/write on Subscriptions in github.com/free5gc/bsf

free5GC's BSF concurrent PUT /nbsf-management/v1/subscriptions/subId crashes the BSF process via concurrent map read/write on Subscriptions in github.com/free5gc/bsf...

Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write)

Summary The screenshot/print proxy /proxy?data=… maintains a package-level assets mapstringMessageAssets cache, but reads the map without holding assetsMutex while a long-running cleanup goroutine and re-entrant CSS-rewriting code path concurrently write to it under the lock. When the...

EUVD-2026-18098

V-SFT versions 6.2.10.0 and prior contain a stack-based buffer overflow in VS6ComFile!CV7BaseMap::WriteV7DataToRom. Opening a crafted V7 file may lead to arbitrary code execution on the affected product...

CVE-2026-32925

CVE-2026-32925 affects FUJI Electric V-SFT: stack-based buffer overflow in VS6ComFile!CV7BaseMap::WriteV7DataToRom for versions

CVE-2026-26201

emp3r0r is a C2 designed by Linux users for Linux environments. Prior to version 3.21.2, multiple shared maps are accessed without consistent synchronization across goroutines. Under concurrent activity, Go runtime can trigger "fatal error: concurrent map read and map write", causing C2 process...