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CVE-2022-0530.patch
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File CVE-2022-0530.patch of Package unzip
From: Enrico Zini <enrico@debian.org> Subject: Fix null pointer dereference on invalid UTF-8 input Bug-Debian: https://bugs.debian.org/1010355 X-Debian-version: 6.0-27 --- a/fileio.c +++ b/fileio.c @@ -2361,6 +2361,9 @@ /* convert UTF-8 to local character set */ fn = utf8_to_local_string(G.unipath_filename, G.unicode_escape_all); + if (fn == NULL) + return PK_ERR; + /* make sure filename is short enough */ if (strlen(fn) >= FILNAMSIZ) { fn[FILNAMSIZ - 1] = '\0'; --- a/process.c +++ b/process.c @@ -2611,6 +2611,8 @@ int escape_all; { zwchar *wide = utf8_to_wide_string(utf8_string); + if (wide == NULL) + return NULL; char *loc = wide_to_local_string(wide, escape_all); free(wide); return loc;
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