WinRAR is a powerful archive manager. It can backup your data and reduce the size of email attachments, decompress RAR, ZIP and other files downloaded from Internet and create new archives in RAR and ZIP file format

Features of WinRAR:
• Using WinRAR puts you ahead of the crowd when it comes to compression by consistently making smaller archives than the competition, saving disk space and transmission costs.
• WinRAR provides complete support for RAR and ZIP archives and is able to unpack CAB, ARJ, LZH, TAR, GZ, ACE, UUE, BZ2, JAR, ISO, 7Z, Z archives.
• WinRAR offers a graphic interactive interface utilizing mouse and menus as well as the command line interface.
• WinRAR is easier to use than many other archivers with the inclusion of a special “Wizard” mode which allows instant access to the basic archiving functions through a simple question and answer procedure. This avoids confusion in the early stages of use.
• WinRAR offers you the benefit of industry strength archive encryption using AES (Advanced Encryption Standard) with a key of 128 bits.
• WinRAR supports files and archives up to 8,589 billion gigabytes in size. The number of archived files is, for all practical purposes, unlimited.
• WinRAR offers the ability to create selfextracting and multivolume archives.
Recovery record and recovery volumes allow to reconstruct even physically damaged archives.
• WinRAR features are constantly being developed to keep WinRAR ahead of the pack.

Version 7.23

1. Heap overflow vulnerability is fixed in RAR5 recovery volume
data reconstruction code. It affects WinRAR, RAR and UnRAR.
UnRAR.dll library doesn’t include recovery volume processing,
so it is not affected.

We are thankful to Arjun Basnet from Securin Labs for letting us know
about this security issue.

2. Symbolic link pointing outside of destination folder could be created
even without -ola switch, when extracting a specially crafted
RAR archive by WinRAR, RAR, UnRAR or UnRAR.dll library.

Further check in extraction code prevents placing files to such folder
even in case of multiple extraction commands, excluding the possibility
of path traversal attack for WinRAR, RAR or UnRAR based extraction.
It limits the potential threat to a case where another tool uses this
symbolic link to store files.

We are thankful to scofaild23-bnomran for letting us know about this
security issue.

3. 7zxa.dll 7z extraction library is updated to version 26.02 to include
bug and vulnerability fixes by the library developer.

4. Switch -iver prints RAR version even if -idc is specified
in the command line, configuration file or RARINISWITCHES environment
variable. Previously -idc blocked -iver action.

Also a new line character is added to -iver output.

More Info

7 May 2026 – Update original chinese version

(Registered Silent Install Repack) English 7.23 x64 Only

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版本 7.23

1. 已修复 RAR5 恢复卷数据重建代码中的堆溢出漏洞。
该漏洞影响 WinRAR、RAR 和 UnRAR。
由于 UnRAR.dll 库不包含恢复卷处理功能，因此不受影响。

感谢来自 Securin Labs 的 Arjun Basnet 向我们报告了这一安全问题。

2. 使用 WinRAR、RAR、UnRAR 或 UnRAR.dll 解压经过特殊构造的
RAR 压缩文件时，即使未使用 -ola 参数，也可能创建一个指向目标
文件夹之外的符号链接。

解压代码中的进一步检查可以防止将文件写入此类文件夹，即使执行多次
解压命令也是如此，从而排除了 WinRAR、RAR 或基于 UnRAR 的解压
程序发生路径遍历攻击（Path Traversal Attack）的可能性。
因此，潜在威胁仅限于其他工具利用该符号链接存储文件的情况。

我们感谢 scofaild23-bnomran 向我们报告了这一安全问题。

3. 用于解压 7z 文件的 7zxa.dll 解压库已更新至 26.02 版本，包含该库开发
者修复的错误和安全漏洞。

4. 即使命令行、配置文件或 RARINISWITCHES 环境变量中指定了 -idc，
-iver 参数，现在仍会输出 RAR 的版本信息。以前，-idc 会阻止 -iver 的
执行。

此外，-iver 的输出末尾现在会增加一个换行符。

(中文官方注册版) Chinese 7.23 x64 Only

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