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asf-gitbox-commits pushed a commit to branch xerces-3.3
in repository https://gitbox.apache.org/repos/asf/xerces-c.git
The following commit(s) were added to refs/heads/xerces-3.3 by this push:
new e5a73625d XERCESC-2267 - Seg fault in regexp parser due to underflow
e5a73625d is described below
commit e5a73625d21f074465fa1820f3cb8d337a8b4e5c
Author: Scott Cantor <[email protected]>
AuthorDate: Thu Aug 13 12:48:44 2026 -0400
XERCESC-2267 - Seg fault in regexp parser due to underflow
https://issues.apache.org/jira/browse/XERCESC-2267
---
src/xercesc/util/regx/RangeToken.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/xercesc/util/regx/RangeToken.cpp
b/src/xercesc/util/regx/RangeToken.cpp
index d6c3cacbc..51ca9a01f 100644
--- a/src/xercesc/util/regx/RangeToken.cpp
+++ b/src/xercesc/util/regx/RangeToken.cpp
@@ -359,6 +359,9 @@ void RangeToken::addRange(const XMLInt32 start, const
XMLInt32 end) {
fSorted = true;
}
else {
+ if (fElemCount == 0) {
+ ThrowXMLwithMemMgr(RuntimeException,
XMLExcepts::Regex_NotSupported, fMemoryManager);
+ }
if (fRanges[fElemCount-1] + 1 == val1) {
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