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 # Changelog
 
+## [v2.5.1](https://github.com/uclouvain/openjpeg/releases/v2.5.1) (2024-02-26)
+
+[Full Changelog](https://github.com/uclouvain/openjpeg/compare/v2.5.0...v2.5.1)
+
+**Closed issues:**
+
+- Exist a undefined-behavior issue in file src/lib/openjp2/dwt.c:2124 [\#1505](https://github.com/uclouvain/openjpeg/issues/1505)
+- Potential double-free vulnerability in j2k.c [\#1498](https://github.com/uclouvain/openjpeg/issues/1498)
+- opj\_compress -I / -mct 0 should conflict each others [\#1485](https://github.com/uclouvain/openjpeg/issues/1485)
+- Exist a undefined-behavior issue in file src/lib/openjp2/tcd.c:2327 [\#1480](https://github.com/uclouvain/openjpeg/issues/1480)
+- OOM in opj\_decompress [\#1476](https://github.com/uclouvain/openjpeg/issues/1476)
+- v2.5.0 cannot be built successfully on aarch64 CentOS machine [\#1475](https://github.com/uclouvain/openjpeg/issues/1475)
+- \[ Heap Overflow \] opj\_decompress [\#1473](https://github.com/uclouvain/openjpeg/issues/1473)
+- Possible bug reading JP2 as grayscale when should be in color [\#1464](https://github.com/uclouvain/openjpeg/issues/1464)
+- Crashes due to internal bad memory references when using reduce on a truncated file. [\#1459](https://github.com/uclouvain/openjpeg/issues/1459)
+- No error.h \(non standard compliant\) [\#1453](https://github.com/uclouvain/openjpeg/issues/1453)
+- JP2 File incorrectly decompressed to noise [\#1447](https://github.com/uclouvain/openjpeg/issues/1447)
+- UB in tcd.c opj\_tcd\_dc\_level\_shift\_decode - pointer arithmetic on NULL pointer [\#1445](https://github.com/uclouvain/openjpeg/issues/1445)
+- UB in ht\_dec.c opj\_t1\_ht\_decode\_cblk - memcpy invoked on NULL pointer [\#1444](https://github.com/uclouvain/openjpeg/issues/1444)
+- Integer Overflow in `src/lib/openjp2/image.c` [\#1438](https://github.com/uclouvain/openjpeg/issues/1438)
+- Integer-overflow · opj\_t1\_encode\_cblk  [\#1432](https://github.com/uclouvain/openjpeg/issues/1432)
+- OSX m1 v2.5.0 build fail [\#1430](https://github.com/uclouvain/openjpeg/issues/1430)
+- Pixel value could be changed by 0-4 after compression and decompression [\#1429](https://github.com/uclouvain/openjpeg/issues/1429)
+- Cannot determine library version at compile time [\#1428](https://github.com/uclouvain/openjpeg/issues/1428)
+- ARM builds on Windows unsupported with Version 2.5.0 [\#1422](https://github.com/uclouvain/openjpeg/issues/1422)
+- opj\_decompress heap overflow Denial of Service issue [\#1413](https://github.com/uclouvain/openjpeg/issues/1413)
+- Color chanel swapping for some JPEG2000 pictures [\#1382](https://github.com/uclouvain/openjpeg/issues/1382)
+- Heap-buffer-overflow in color.c:379:42 in sycc420\_to\_rgb [\#1347](https://github.com/uclouvain/openjpeg/issues/1347)
+- No colorspace information after opj\_read\_header [\#570](https://github.com/uclouvain/openjpeg/issues/570)
+
+**Merged pull requests:**
+
+- opj\_t2\_read\_packet\_header\(\): avoid unsigned integer overflow [\#1511](https://github.com/uclouvain/openjpeg/pull/1511) ([rouault](https://github.com/rouault))
+- opj\_dwt\_decode\_tile\(\): avoid potential UndefinedBehaviorSanitizer 'applying zero offset to null pointer' \(fixes \#1505\) [\#1510](https://github.com/uclouvain/openjpeg/pull/1510) ([rouault](https://github.com/rouault))
+- opj\_decompress: fix off-by-one read heap-buffer-overflow in sycc420\_to\_rgb\(\) when x0 and y0 are odd \(CVE-2021-3575, fixes \#1347\) [\#1509](https://github.com/uclouvain/openjpeg/pull/1509) ([rouault](https://github.com/rouault))
+- Always install pkgconfig files [\#1507](https://github.com/uclouvain/openjpeg/pull/1507) ([kmilos](https://github.com/kmilos))
+- CMake: drop support for cmake \< 3.5 [\#1503](https://github.com/uclouvain/openjpeg/pull/1503) ([domin144](https://github.com/domin144))
+- Fix compiler error on Windows [\#1502](https://github.com/uclouvain/openjpeg/pull/1502) ([scaramallion](https://github.com/scaramallion))
+- opj\_tcd\_dc\_level\_shift\_decode\(\): avoid increment nullptr \(fixes \#1480\) [\#1496](https://github.com/uclouvain/openjpeg/pull/1496) ([rouault](https://github.com/rouault))
+- Fix CI [\#1495](https://github.com/uclouvain/openjpeg/pull/1495) ([rouault](https://github.com/rouault))
+- suppress warning during build using clang [\#1494](https://github.com/uclouvain/openjpeg/pull/1494) ([tomoaki0705](https://github.com/tomoaki0705))
+- Add cmake version file [\#1493](https://github.com/uclouvain/openjpeg/pull/1493) ([domin144](https://github.com/domin144))
+- fix ht\_dec.c:1215 [\#1492](https://github.com/uclouvain/openjpeg/pull/1492) ([headshog](https://github.com/headshog))
+- Integer Overflow at j2k.c:11114 [\#1491](https://github.com/uclouvain/openjpeg/pull/1491) ([headshog](https://github.com/headshog))
+- Integer Overflow at j2k.c:3962 [\#1490](https://github.com/uclouvain/openjpeg/pull/1490) ([headshog](https://github.com/headshog))
+- Fixed typos [\#1486](https://github.com/uclouvain/openjpeg/pull/1486) ([radarhere](https://github.com/radarhere))
+- Require `stdint.h` & `inttypes.h` [\#1484](https://github.com/uclouvain/openjpeg/pull/1484) ([mayeut](https://github.com/mayeut))
+- fix: use `opj_uint_ceildiv` instead of `opj_int_ceildiv` when necessary [\#1482](https://github.com/uclouvain/openjpeg/pull/1482) ([mayeut](https://github.com/mayeut))
+- ht\_dec.c: Improve MSVC arm64 popcount performance [\#1479](https://github.com/uclouvain/openjpeg/pull/1479) ([PeterJohnson](https://github.com/PeterJohnson))
+- opj\_jp2\_read\_header\(\): move setting color\_space here instead in opj\_jp2\_decode\(\)/get\_tile\(\) \(fixes \#570\) [\#1463](https://github.com/uclouvain/openjpeg/pull/1463) ([rouault](https://github.com/rouault))
+- CMake: error out on warnings for strict/missing prototypes. [\#1462](https://github.com/uclouvain/openjpeg/pull/1462) ([sebras](https://github.com/sebras))
+- Fix CI [\#1461](https://github.com/uclouvain/openjpeg/pull/1461) ([rouault](https://github.com/rouault))
+- opj\_t2\_skip\_packet\_data\(\): avoid out-of-bounds reads on truncated images in non-strict mode \(fixes \#1459\) [\#1460](https://github.com/uclouvain/openjpeg/pull/1460) ([rouault](https://github.com/rouault))
+- Fix \#1424 [\#1456](https://github.com/uclouvain/openjpeg/pull/1456) ([autoantwort](https://github.com/autoantwort))
+- openjp2/j2k: replace sprintf calls with snprintf [\#1450](https://github.com/uclouvain/openjpeg/pull/1450) ([markmentovai](https://github.com/markmentovai))
+- Fix incorrect decoding of image with large number of progression levels [\#1448](https://github.com/uclouvain/openjpeg/pull/1448) ([rouault](https://github.com/rouault))
+- Fix Heap-buffer-overflow READ in opj\_jp2\_apply\_pclr [\#1441](https://github.com/uclouvain/openjpeg/pull/1441) ([sashashura](https://github.com/sashashura))
+- Significant speed-up rate allocation by rate/distoratio ratio [\#1440](https://github.com/uclouvain/openjpeg/pull/1440) ([rouault](https://github.com/rouault))
+- Make OpenJPEGConfig.cmake relocatable with CMake \> 3.0 [\#1439](https://github.com/uclouvain/openjpeg/pull/1439) ([arichardson](https://github.com/arichardson))
+- Replace the assert in mel\_init to an if statement to address an issue with fuzzing. [\#1436](https://github.com/uclouvain/openjpeg/pull/1436) ([aous72](https://github.com/aous72))
+- opj\_t1\_encode\_cblk\(\): avoid undefined behaviour on fuzzed input \(fixes \#1432\) [\#1433](https://github.com/uclouvain/openjpeg/pull/1433) ([rouault](https://github.com/rouault))
+- Build: fix linking of executables on some systems where TIFF/LCMS2 static libraries are not in system directories \(fixes \#1430\) [\#1431](https://github.com/uclouvain/openjpeg/pull/1431) ([rouault](https://github.com/rouault))
+- Fix opj\_t1\_allocate\_buffers malloc size error [\#1426](https://github.com/uclouvain/openjpeg/pull/1426) ([zodf0055980](https://github.com/zodf0055980))
+- Switch to GNUInstallDirs \[v2\] [\#1424](https://github.com/uclouvain/openjpeg/pull/1424) ([laumann](https://github.com/laumann))
+- Fix windows arm builds [\#1423](https://github.com/uclouvain/openjpeg/pull/1423) ([Neumann-A](https://github.com/Neumann-A))
+- pkgconfig: Define OPJ\_STATIC for static linking with pkgconf [\#1421](https://github.com/uclouvain/openjpeg/pull/1421) ([Biswa96](https://github.com/Biswa96))
+
+
 ## [v2.5.0](https://github.com/uclouvain/openjpeg/releases/v2.5.0) (2022-05-13)
 
 [Full Changelog](https://github.com/uclouvain/openjpeg/compare/v2.4.0...v2.5.0)