Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

Fixed packages 40

Vulnerabilities 5

• High 7.0
  CVE-2026-102010

  Gcc-toolset-15-gcc: gcc: gcc-toolset-16: gcc: denial of service via use-after-free in binary heap erase_if

  A flaw was found in GCC. When an application calls the erase_if function on a binary heap priority queue in libstdc++, the library reallocates storage but fails to update its internal entry pointer. An attacker capable of triggering this operation can exploit…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Sep 28, 2026
• Medium 6.5
  CVE-2026-115455

  Gcc: stack overflow in std::bitset on libstdc++

  A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Oct 30, 2026
• Medium 6.2
  CVE-2026-114690

  Gcc: confirmed out-of-bounds read/write in libstdc++ parallel `std

  A flaw was found in GCC. An out-of-bounds memory access vulnerability exists in the libstdc++ parallel search implementation due to an undersized internal buffer. A local attacker can exploit this flaw by providing crafted search data to an application compil…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Oct 30, 2026
• Medium 5.9
  CVE-2026-114691

  Gcc: integer wrap in `std

  A flaw was found in the libstdc++ component of GCC. An attacker who can provide an excessively large element count to a boolean vector (std::vector<bool>) constructor can trigger an integer wrap during internal memory calculations. This issue leaves the conta…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Oct 30, 2026
• Low 3.7
  CVE-2026-115456

  Gcc: out-of-bounds read in std::from_chars

  A flaw was found in gcc. An attacker could cause a Denial of Service (DoS) by passing a string that is not null-terminated to the std::from_chars() function in the libstdc++ library. This issue triggers an out-of-bounds read beyond the allocated buffer, poten…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu Azure Linux
  Oct 30, 2026

References

• report
  https://access.redhat.com/security/cve/CVE-2026-102010
• article
  https://access.redhat.com/security/updates/classification/
• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-115455
• report
  https://access.redhat.com/security/cve/CVE-2026-114691
• report
  https://access.redhat.com/security/cve/CVE-2026-114690
• report
  https://access.redhat.com/security/cve/CVE-2026-115456
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_95581.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2478395
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-102010
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-102010
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2478652
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-114690
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-114690
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2478508
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-114691
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-114691
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2562933
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-115455
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-115455
• article
  https://gcc.gnu.org/cgit/gcc/commit/?id=5d419c69ce2e6b86d7da75f18736904885674219
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2563044
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-115456
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-115456