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CVE-2026-84449 libheif hOp_RGB24_32_to_YCbCr Memory Access Error / SEGV

🗓️ 18 Sep 2026 16:03:28Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 61 Views

libheif prior to 1.19.6 integer overflow in Op_RGB24_32_to_YCbCr stride causes DoS during encoding.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84449
29 Oct 202609:57
–circl
cve
CVE
CVE-2026-84449
18 Sep 202616:03
–cve
debiancve
Debian CVE
CVE-2026-84449
18 Sep 202616:03
–debiancve
euvd
EUVD
EUVD-2026-83025
18 Sep 202616:03
–euvd
mend
Mend
CVE-2026-84449
18 Sep 202616:03
–mend
nvd
NVD
CVE-2026-84449
18 Sep 202616:17
–nvd
opensuse
OPENSUSE Linux
Security update for libheif (moderate)
18 Oct 202600:00
–opensuse
osv_cve
osv_cve
CVE-2026-84449 libheif hOp_RGB24_32_to_YCbCr Memory Access Error / SEGV
18 Sep 202616:03
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-84449
18 Sep 202616:17
–osv_debian
osv_opensuse
osv_opensuse
OPENSUSE-SU-2026:11921-1 gdk-pixbuf-loader-libheif-1.23.5-2.1 on GA media
29 Sep 202600:00
–osv_opensuse
Rows per page
[
  {
    "vendor": "strukturag",
    "product": "libheif",
    "versions": [
      {
        "version": "< 1.19.6",
        "status": "affected"
      }
    ]
  }
]

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18 Sep 2026 16:03Current
CVSS 3.13.7
EPSS0.00416
SSVC
61