QT
Product
qt
by qt · last CVE Oct 27, 2026
81
CVEs
0
On KEV
9.8
Max CVSS
10
New 30D
Severity mix
Critical 5High 26Medium 25Low 9
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2017-10905
5.3
1%
Dec 16
A vulnerability in applications created using Qt for Android prior to 5.9.3 allows attackers to alter environment variables via unspecified vectors
Affected: before 5.9.3
CVE-2026-76151
4.6
1%
Sep 16
Out-of-bounds read (buffer over-read) vulnerability in HTTP Cache-Control response header parsing impacts Qt Framework (QtNetwork module)
Affected: 6.0.0 before 6.8.9; 6.9.0 before 6.11.2
CVE-2026-79680
4.5
0%
Sep 24
Authentication bypass vulnerability in the password authentication mechanism of the Qt VNC Server module
Affected: 6.4.0 before 6.8.9; 6.9.0 before 6.11.3
CVE-2026-107472
New
4.3
0%
Oct 27
Out-of-bounds read vulnerability in QTextCodec TSCII encoding impacts Qt
Affected: 4.0.0 through 6.8.8; 6.9.0 through 6.11.2
CVE-2026-101201
4.3
0%
Oct 20
QBinaryJson::fromBinaryData() integer overflow leading to OOB read
Affected: 5.0.0 through 6.8.8; 6.9.0 through 6.11.2
CVE-2026-105923
4.0
0%
Oct 21
Null-pointer dereference in QTriangulator reachable through VectorImage
Affected: 6.8.0 before 6.8.9; 6.9.0 before 6.11.3
CVE-2026-15037
2.9
0%
Jul 23
XML injection vulnerability in QDom comment, CDATA and processing-instruction serialization
Affected: 4.0.0 before 6.12.0
CVE-2026-78253
2.3
0%
Sep 23
Denial-of-service (stack-exhaustion) vulnerability in QXmlStreamReader::readElementText() impacts Qt
Affected: 5.0.0 through 6.8.8; 6.9.0 through 6.11.1
CVE-2026-96432
New
2.1
0%
Oct 26
Null pointer dereference vulnerability in QNetworkAccessManager impacts Qt
Affected: 6.8.0 through 6.8.9; 6.9.0 through 6.11.2
CVE-2026-95620
New
2.1
0%
Oct 23
Use-after-free vulnerability in QNetworkAccessManager HTTP/2 support impacts Qt
Affected: 6.9.0 before 6.11.3
CVE-2025-5991
2.1
0%
Jun 11
Use after free in QHttp2ProtocolHandler
Affected: 6.9.0
CVE-2026-107157
New
2.0
0%
Oct 26
Out-of-bounds read vulnerability in QCborValue::fromCbor() impacts Qt Framework
Affected: 5.12.0 through 6.8.8; 6.9.0 through 6.11.2
CVE-2026-107590
New
1.9–Oct 27
Out-of-bounds write vulnerability in QTextCodec iconv-based encoding impacts Qt
Affected: 4.5.0 through 6.8.8; 6.9.0 through 6.11.2
CVE-2025-14575
1.8
0%
May 19
Uncontrolled Search Path Element in Qt Network OpenSSL TLS backend allows rogue CA certificate loading
Affected: 5.0.0 through 5.15.19; 6.0.0 through 6.5.9; 6.6.0 through 6.8.3; 6.9.0 through 6.9.1
CVE-2026-79616
0.6
0%
Sep 23
Out-of-bounds read vulnerability in Context2D.path and PathSvg.path properties impacts Qt Quick
Affected: 5.10.0 through 6.8.8; 6.9.0 through 6.11.1
CVE-2015-7298
–
1%
Oct 26
ownCloud Desktop Client before 2.0.1, when compiled with a Qt release after 5.3.x, does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which makes…
Affected: 5.3.0; 5.4.1
CVE-2015-1860
–
8%
May 12
Multiple buffer overflows in gui/image/qgifhandler.cpp in the QtBase module in Qt before 4.8.7 and 5.x before 5.4.2 allow remote attackers to cause a denial of service…
Affected: 5.0.0; 5.0.1; 5.0.2; 5.1.0; 5.2.0; 5.2.1; +2 more
CVE-2015-1859
–
7%
May 12
Multiple buffer overflows in plugins/imageformats/ico/qicohandler.cpp in the QtBase module in Qt before 4.8.7 and 5.x before 5.4.2 allow remote attackers to cause a denial of…
Affected: 5.0.0; 5.0.1; 5.0.2; 5.1.0; 5.2.0; 5.2.1; +2 more
CVE-2015-1858
–
7%
May 12
Multiple buffer overflows in gui/image/qbmphandler.cpp in the QtBase module in Qt before 4.8.7 and 5.x before 5.4.2 allow remote attackers to cause a denial of service…
Affected: 5.0.0; 5.0.1; 5.0.2; 5.1.0; 5.2.0; 5.2.1; +2 more
CVE-2014-0190
–
4%
May 8
The GIF decoder in QtGui in Qt before 5.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via invalid width and height values in a GIF image
Affected: before 5.3.0
CVE-2013-4549
–
3%
Dec 23
QXmlSimpleReader in Qt before 5.2 allows context-dependent attackers to cause a denial of service (memory consumption) via an XML Entity Expansion (XEE) attack
Affected: 5.0.2
CVE-2012-6093
–
2%
Feb 24
The QSslSocket::sslErrors function in Qt before 4.6.5, 4.7.x before 4.7.6, 4.8.x before 4.8.5, when using certain versions of openSSL, uses an "incompatible structure layout" that…
Affected: through 4.6.5; 4.6.0; 4.6.0; 4.6.1; 4.6.2; 4.6.3; +13 more
CVE-2012-5624
–
2%
Feb 24
The XMLHttpRequest object in Qt before 4.8.4 enables http redirection to the file scheme, which allows man-in-the-middle attackers to force the read of arbitrary local files and…
Affected: 1.41; 1.42; 1.43; 1.44; 1.45; 2.0.0; +34 more
CVE-2013-0254
–
0%
Feb 6
The QSharedMemory class in Qt 5.0.0, 4.8.x before 4.8.5, 4.7.x before 4.7.6, and other versions including 4.4.0 uses weak permissions (world-readable and world-writable) for…
Affected: 1.41; 1.42; 1.43; 1.44; 1.45; 2.0.0; +34 more
CVE-2010-5076
–
1%
Jun 29
QSslSocket in Qt before 4.7.0-rc1 recognizes a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to…
Affected: 4.0.0; 4.0.1; 4.1.0; 4.1.1; 4.1.2; 4.1.3; +24 more
CVE-2011-3194
–
7%
Jun 16
Buffer overflow in the TIFF reader in gui/image/qtiffhandler.cpp in Qt 4.7.4 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via…
Affected: 4.7.4
CVE-2011-3193
–
7%
Jun 16
Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a…
Affected: before 4.7.4
CVE-2010-2621
–
11%
Jul 2
The QSslSocketBackendPrivate::transmit function in src_network_ssl_qsslsocket_openssl.cpp in Qt 4.6.3 and earlier allows remote attackers to cause a denial of service (infinite…
Affected: 4.0.0; 4.0.1; 4.1.0; 4.1.1; 4.1.2; 4.1.3; +23 more
CVE-2009-2700
–
1%
Sep 2
src/network/ssl/qsslcertificate.cpp in Nokia Trolltech Qt 4.x does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509…
Affected: 4.0.0; 4.0.1; 4.1.0; 4.1.1; 4.1.2; 4.1.3; +34 more
CVE-2007-0242
–
2%
Apr 3
The UTF-8 decoder in codecs/qutfcodec.cpp in Qt 3.3.8 and 4.2.3 does not reject long UTF-8 sequences as required by the standard, which allows remote attackers to conduct…
Affected: 3.3.8; 4.2.3
CVE-2006-4811
–
5%
Oct 18
Integer overflow in Qt 3.3 before 3.3.7, 4.1 before 4.1.5, and 4.2 before 4.2.1, as used in the KDE khtml library, kdelibs 3.1.3, and possibly other packages, allows remote…
Affected: 3.3.0; 3.3.1; 3.3.2; 3.3.3; 3.3.4; 3.3.5; +7 more
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