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The vulnerability of the Track::load() function in the stsz/stts component of the file format decoding and encoding library libheif allows a perpetrator to gain unauthorized access to protected information.

🗓️ 13 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 1 Views

Libheif Track::load flaw allows out-of-bounds access in stsz/stts and may expose protected data.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3950
11 Mar 202619:02
attackerkb
Circl
CVE-2026-3950
11 Mar 202619:16
circl
CNNVD
libheif 缓冲区错误漏洞
11 Mar 202600:00
cnnvd
CVE
CVE-2026-3950
11 Mar 202619:02
cve
Cvelist
CVE-2026-3950 strukturag libheif stsz/stts track.cc load out-of-bounds
11 Mar 202619:02
cvelist
Debian CVE
CVE-2026-3950
11 Mar 202619:02
debiancve
EUVD
EUVD-2026-11344
11 Mar 202621:31
euvd
NVD
CVE-2026-3950
11 Mar 202620:16
nvd
OPENSUSE Linux
gdk-pixbuf-loader-libheif-1.22.2-1.1 on GA media (moderate)
29 May 202600:00
opensuse
OSV
DEBIAN-CVE-2026-3950
11 Mar 202620:16
osv
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Vulners
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struktur_aglibheifRange<1.21.2

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13 Apr 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 21.7
CVSS 33.3
EPSS0.00117
1