Security readout for executives and security teams
This is a Qt image-handling crash bug. A specially malformed PPM image can trigger a division by zero in Qt 5.11, causing the affected application to crash. The sources support availability impact, not data theft or remote code execution. Exposure is most likely in applications or services using Qt to open or preview untrusted PPM images. Desktop applications, file viewers, thumbnailers, or import workflows may be relevant. Exact exposure depends on bundled Qt version and vendor package lineage. Treat this as a targeted availability risk, not a confirmed compromise issue. Patch through normal vulnerability management, with higher priority for systems that process external image files or support user-uploaded content. Mitigation focus: Update Qt or distribution Qt packages using vendor security advisories.; Prioritize systems processing untrusted images or generating thumbnails.; Disable or restrict PPM import where patching is delayed..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-19872 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugreports.qt.io/browse/QTBUG-69449CVE reference · x_refsource_CONFIRM
- FEDORA-2019-03ac7f1d2fCVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-ae913a2f00CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2019-b5e690b96eCVE reference · vendor-advisory, x_refsource_FEDORA
- USN-4275-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2376-1] qtbase-opensource-src security updateCVE reference · mailing-list, x_refsource_MLIST
- [debian-lts-announce] 20200928 [SECURITY] [DLA 2377-1] qt4-x11 security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.