Daily digest
Saturday 9 May 2026
A quiet day: only 7 new CVEs against a recent average of about 36. Of those, 3 high. Red Hat was the most-affected vendor with 3.
New this day, ranked by depth score
The 7 that matter most of the 7 published.
CVE-2026-42311High· 7.8Pillow: python-pillow: Pillow: Arbitrary code execution via malicious PSD file processing (CVE-2026-42311)
A flaw was found in Pillow, a Python imaging library. An attacker could exploit this vulnerability by tricking a user into processing a specially crafted malicious PSD file. This could lead to memory corruption, potentially causing the app…
CVE-2026-42246High· 7.4Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without s…
CVE-2026-42301High· 7.3pyp2spec: pyp2spec: Arbitrary command execution via unescaped RPM macro directives (CVE-2026-42301)
A flaw was found in pyp2spec, a tool that generates Fedora RPM spec files for Python projects. This vulnerability allows a malicious Python Package Index (PyPI) package to execute arbitrary commands on a build machine. This occurs because …
CVE-2026-44897Medium· 6.1Mistune Heading ID Attribute has Injection XSS
Mistune Heading ID Attribute has Injection XSS
CVE-2026-42308Medium· 6.2Pillow: Pillow: Denial of Service via integer overflow in font processing (CVE-2026-42308)
A flaw was found in Pillow, a Python imaging library. If a font advances for each glyph by an exceeding large amount, an integer overflow can occur when Pillow tracks the current position. This could lead to a denial of service (DoS) condi…
CVE-2026-8213Medium· 5.5A vulnerability has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this issue is the function GDSDfldsrch of the file frmts/hdf4…
A vulnerability has been found in OSGeo gdal up to 3.13.0dev-4. Affected by this issue is the function GDSDfldsrch of the file frmts/hdf4/hdf-eos/GDapi.c of the component Grid File Handler. The manipulation leads to heap-based buffer ove…
CVE-2026-42258Medium· 5.3Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol a…
Most-affected vendors
By CVEs published in the period.