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

Fixed packages 4

Vulnerabilities 1

• Medium 4.4
  CVE-2026-90781 Public exploit

  alsa-lib through 1.2.16.1 Off-by-One Stack Buffer Overflow in __snd_ctl_ascii_elem_id_parse()

  alsa-lib through 1.2.16.1 contains a stack buffer overflow in the __snd_ctl_ascii_elem_id_parse() function that writes one byte past a 64-byte buffer when parsing a name= field with 64 or more characters. Attackers can supply a long control-element identifier…

  alsa-project alsa-lib alsa-lib alsa-lib Debian Ubuntu Azure Linux Wolfi
  Sep 13, 2026

References

• report
  https://access.redhat.com/security/cve/CVE-2026-90781
• article
  https://access.redhat.com/security/updates/classification/
• article
  https://images.redhat.com/
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_67289.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2532707
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-90781
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-90781
• article
  https://github.com/alsa-project/alsa-lib
• article
  https://github.com/alsa-project/alsa-lib/blob/v1.2.16.1/src/control/ctlparse.c#L216-L241
• article
  https://github.com/alsa-project/alsa-lib/commit/f84cd4ced7b36fddb8e4ee24404cf7c091d27020
• article
  https://lore.kernel.org/alsa-devel/CACBQ=P2FhO3M6dkv3cWuKb6Qhs92ouV+FJ3SJZ_PVBSSdJWRAQ@mail.gmail.com/
• article
  https://www.vulncheck.com/advisories/alsa-lib-through-1.2.16.1-off-by-one-stack-buffer-overflow-in-snd-ctl-ascii-elem-id-parse