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CVE-2015-1858

20
FAUCET Score

CVE-2015-1858 describes multiple buffer overflows in the QtBase module, specifically in gui/image/qbmphandler.cpp, affecting Qt versions before 4.8.7 and 5.x before 5.4.2. This vulnerability allows remote attackers to trigger a denial of service (segmentation fault and crash) and potentially execute arbitrary code through a specially crafted BMP image. With a CVSS score of 6.8, this vulnerability has a medium attack complexity, requires no authentication, and can lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.8.6CPE matchmatch criteria
cpe:2.3:a:digia:qt:*:*:*:*:*:*:*:*
5.0.0CPE matchmatch criteria
cpe:2.3:a:qt:qt:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:qt:qt:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:qt:qt:5.0.2:*:*:*:*:*:*:*
5.1.0CPE matchmatch criteria
cpe:2.3:a:qt:qt:5.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.22%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0722 is in the 93rd percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

fedorapatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: qt4
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: qt
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: qt

Vendor Advisories (1)

redhatCVE-2015-1858Moderate

qt: segmentation fault in qbmphandler.cpp

Mar 11, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-April/155424.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-April/155927.html
PatchThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-April/155962.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-April/155976.html
Third Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2015-April/156727.html
Third Party Advisory
lists.qt-project.org / pipermail/announce/2015-April/000067.html
PatchVendor Advisory
codereview.qt-project.org
Patch
security.gentoo.org / glsa/201603-10
securityfocus.com / bid/74309
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2626-1