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1 | 1 | Documentation and download available at https://www.FreeRTOS.org/ |
2 | 2 |
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| 3 | +Changes between FreeRTOS-plus-TCP V4.4.0 and V4.3.1 released February 25, 2026: |
| 4 | + + [Security] Fix CWE-126/476/822: IPv6 buffer validation and bounds |
| 5 | + checking. Fix missing NULL pointer checks in ND, add ICMPv6 minimum |
| 6 | + packet size validation, move IPv6 version field check after buffer |
| 7 | + validation, and fix integer wrap-around in IPv6 payload length |
| 8 | + processing. |
| 9 | + + [Security] Fix potential out of bounds write (CWE-787) when processing |
| 10 | + LLMNR or mDNS queries (#1258). |
| 11 | + + Fix DHCP race condition (#1230). |
| 12 | + + Fix possible network buffer leak in DHCP v4 and v6 state machines |
| 13 | + (#1231). |
| 14 | + + Fix ARP lookups for gateway address when destination is outside of |
| 15 | + subnet (#1248). We thank @htibosch for their contribution. |
| 16 | + + Fix endpoint mismatch in FreeRTOS_MatchingEndpoint (#1239). |
| 17 | + We thank @ravitd for their contribution. |
| 18 | + + Fix compilation error if DNS features are disabled (#1243). |
| 19 | + We thank @MarcusBetter for their contribution. |
| 20 | + + Fix buffer allocation failure handling in STM32 NetworkInterface. |
| 21 | + We thank @PhilGreenland for their contribution. |
| 22 | + + Fix Windows Simulator demo build failures by adding missing windows.h |
| 23 | + includes (#1305). |
| 24 | + + Fix TI CCS compiler errors (#1281). |
| 25 | + We thank @SvenP91 for their contribution. |
| 26 | + + Fix warning concerning return value of non-void function (#1275). |
| 27 | + We thank @EmilioLopes for their contribution. |
| 28 | + + Fix IPv4 and IPv6 broadcast address detection. We thank @evpopov for |
| 29 | + their contribution. |
| 30 | + + Fix IPv6 loopback type detection (#1220). We thank @evpopov for their |
| 31 | + contribution. |
| 32 | + + Fix Zynq network interface incoming packet filtering by correcting |
| 33 | + endianness. |
| 34 | + + Fix printf format warnings by casting to unsigned long (#1222). |
| 35 | + We thank @concatime for their contribution. |
| 36 | + + Fix smsc9220_eth_drv.c warnings from gcc -Wconversion (#1245). |
| 37 | + We thank @FlorianLaRoche for their contribution. |
| 38 | + + Fix Coverity dead code and MISRA 10.4 findings. |
| 39 | + + Use the expected sequence number for challenge ACK messages (#1236). |
| 40 | + We thank @MathiasJochum for their contribution. |
| 41 | + + mDNS: when a reply do not repeat the questions, set authoritative |
| 42 | + flag (#1292). We thank @htibosch for their contribution. |
| 43 | + + Allow the use of IP-clash detection, also when auto-IP is not enabled |
| 44 | + (#1299). We thank @htibosch for their contribution. |
| 45 | + + Let valid broadcast packets in when endpoint is not yet up (#1240). |
| 46 | + + Update IPv4 packet filtering to let packets destined to endpoint's |
| 47 | + MAC address when endpoint is not yet up (#1232). |
| 48 | + + Add ipconfigIP_TASK_AFFINITY (#1288). We thank @mike919192 for their |
| 49 | + contribution. |
| 50 | + + Add configuration option to prevent configASSERT checks on |
| 51 | + ipBUFFER_PADDING (#1271). We thank @DaveSkok for their contribution. |
| 52 | + + Add #include "FreeRTOS_ARP.h" to loopbackNetworkInterface.c (#1290). |
| 53 | + We thank @NikolayPokhilchenko for their contribution. |
| 54 | + + Alternative function for potential optimization of data copying in |
| 55 | + stream buffers (#1233). We thank @DenisZaikin for their contribution. |
| 56 | + + Support ADIN1200 (#1280). We thank @GeorgeElliott-Hunter for their |
| 57 | + contribution. |
| 58 | + + Rename ETH_TxPacketConfig in STM32F4 to match other STMs (#1278). |
| 59 | + We thank @GeorgeElliott-Hunter for their contribution. |
| 60 | + + STM32H legacy driver: change parameter to pucGetRXBuffer() (#1285). |
| 61 | + We thank @htibosch for their contribution. |
| 62 | + + Zynq driver: avoid race conditions (#1286). We thank @htibosch for |
| 63 | + their contribution. |
| 64 | + + Zynq port: Add niEMAC_HANDLER_TASK_AFFINITY (#1291). We thank |
| 65 | + @mike919192 for their contribution. |
| 66 | + + Update Zynq portable for Xilinx SDT drivers (#1227). We thank |
| 67 | + @mike919192 for their contribution. |
| 68 | + + Workaround in Zynq port for missing macros when using SDT drivers. |
| 69 | + + Remove unused variable in ultrascale port (ulDMAReg) (#1269). |
| 70 | + We thank @PeteBone for their contribution. |
| 71 | + + Avoid portTICK_PERIOD_MS usage in library code (#1242). We thank |
| 72 | + @StefanBalt for their contribution. |
| 73 | + + Remove redundant function declaration (#1241). We thank |
| 74 | + @FlorianLaRoche for their contribution. |
| 75 | + + Improve maximum network buffer allocation size check when Buffer |
| 76 | + Allocation scheme 1 is used (#1263). |
| 77 | + + Move FreeRTOS_printf from suspended scheduler region in |
| 78 | + prvAcceptWaitClient (#1250). |
| 79 | + + Remove xHigherPriorityTaskWoken (#1215). |
| 80 | + + Fix MISRA 2012 violations (#1272). |
| 81 | + + Fix MISRA violations. |
| 82 | + + Unittest: Fix, enable and forbid specific warnings (#1228). We thank |
| 83 | + @AndreasNordal for their contribution. |
| 84 | + + Update scripts to run unit tests with respect to Ubuntu 24.04 (#1237). |
| 85 | + + Update CI script to use latest lcov (#1251). |
| 86 | + + Fix CI: replace hardcoded gcov-9 with gcov. |
| 87 | + + Make CBMC use 64 core runners. |
| 88 | + + Add CI build with compiler optimizations. |
| 89 | + |
3 | 90 | Changes between FreeRTOS-plus-TCP V4.3.1 and V4.3.0 released December 16, 2024: |
4 | 91 | + Update README.md with information related to migrating to V4.3.0 and above |
5 | 92 | for users utilising the STM32 network interface. |
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