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Issue #3043 - Fix stack OOB write in nsLocaleService::GetLocaleFromAcceptLanguage bounds checks

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Basilisk-Dev committed 2026-04-10 14:31:54 -04:00
1 parent dc92189c0f
commit 53bc735ee9
1 file changed
+2 -2
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intl/locale/nsLocaleService.cpp
+2 -2
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@@ -289,7 +289,7 @@ nsLocaleService::GetLocaleFromAcceptLanguage(const char *acceptLanguage, nsILoca
PR_sscanf(cPtr1,";q=%f",&qvalue[countLang]);
*cPtr1 = '\0';
}
if (strlen(cPtr)<NSILOCALE_MAX_ACCEPT_LANGUAGE) { /* ignore if too long */
if (strlen(cPtr)<NSILOCALE_MAX_ACCEPT_LENGTH) { /* ignore if too long */
qvalue[countLang] -= (bias += 0.0001f); /* to insure original order */
ptrLanguage[countLang++] = cPtr;
if (countLang>=NSILOCALE_MAX_ACCEPT_LANGUAGE) break; /* quit if too many */
@@ -321,8 +321,8 @@ nsLocaleService::GetLocaleFromAcceptLanguage(const char *acceptLanguage, nsILoca
cPtr = nsCRT::strtok(input.get(),",",&cPtr2);
while (cPtr) {
if (strlen(cPtr)<NSILOCALE_MAX_ACCEPT_LENGTH) { /* ignore if too long */
if (countLang>=NSILOCALE_MAX_ACCEPT_LANGUAGE) break; /* quit if too many */
PL_strncpyz(acceptLanguageList[countLang++],cPtr,NSILOCALE_MAX_ACCEPT_LENGTH);
if (countLang>=NSILOCALE_MAX_ACCEPT_LENGTH) break; /* quit if too many */
}
cPtr = nsCRT::strtok(cPtr2,",",&cPtr2);
}