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…

Description

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 shared memory segments, which allows local users to read sensitive information or modify critical program data, as demonstrated by reading a pixmap being sent to an X server.

Scores

EPSS (exploitation in 30 days)

0.43% · top 62% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.

Weakness

• n/a
• CWE-264 (opens in a new tab)All about CWE-264 and its CVEs

Affected products

• n/a

  • affected n/a

References (6)

• openSUSE-SU-2013:0404 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• RHSA-2013:0669 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• openSUSE-SU-2013:0403 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• [qt-announce] 20130205 [Announce] [CVE-2013-0254] Qt Project Security Advisory: System V shared memory segments created world-writeable (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• openSUSE-SU-2013:0411 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=907425 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2013-0254](https://trackcve.app/badge/CVE-2013-0254.svg)](https://trackcve.app/cve/CVE-2013-0254)

Record last updated 6 Aug 2024, 14:18 UTC.