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Permalink CVE-2026-0861
8.4 HIGH
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Local (L)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Local (L)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 3 months, 4 weeks ago by @LeSuisse Activity log
  • Created suggestion 3 months, 4 weeks ago
  • @LeSuisse ignored
    21 packages
    • tests.hardeningFlags-gcc.glibcxxassertionsStdenvUnsupp
    • tests.hardeningFlags-clang.glibcxxassertionsStdenvUnsupp
    • tests.hardeningFlags-gcc.glibcxxassertionsExplicitEnabled
    • tests.hardeningFlags.allExplicitDisabledGlibcxxAssertions
    • tests.hardeningFlags-gcc.glibcxxassertionsExplicitDisabled
    • tests.hardeningFlags-clang.glibcxxassertionsExplicitEnabled
    • tests.hardeningFlags-clang.glibcxxassertionsExplicitDisabled
    • tests.hardeningFlags-gcc.allExplicitDisabledGlibcxxAssertions
    • tests.hardeningFlags-clang.allExplicitDisabledGlibcxxAssertions
    • glibcLocalesUtf8
    • unixtools.getent
    • unixtools.locale
    • unixtools.getconf
    • getent
    • locale
    • iconv
    • mtrace
    • getconf
    • libiconv
    • glibcInfo
    • glibcLocales
    3 months, 4 weeks ago
  • @LeSuisse accepted 3 months, 4 weeks ago
  • @LeSuisse published on GitHub 3 months, 4 weeks ago
Integer overflow in memalign leads to heap corruption

Passing too large an alignment to the memalign suite of functions (memalign, posix_memalign, aligned_alloc, valloc, pvalloc) in the GNU C Library version 2.30 to 2.42 may result in an integer overflow, which could consequently result in a heap corruption.

Affected products

glibc
  • =<2.42

Matching in nixpkgs

Ignored packages (21)

pkgs.mtrace

Perl script used to interpret and provide human readable output of the trace log contained in the file mtracedata, whose contents were produced by mtrace(3)

Package maintainers

https://sourceware.org/git/?p=glibc.git;a=blob_plain;f=advisories/GLIBC-SA-2026-0001