Buffer overflow in libheif - CVE-2023-49463

Vulnerability identifier: #VU84610

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-49463

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the find_exif_tag() function in /libheif/exif.cc. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

libheif
Ubuntu
Fedora
heif-gdk-pixbuf (Ubuntu package)
libheif-dev (Ubuntu package)
libheif1 (Ubuntu package)
libheif-plugin-libde265 (Ubuntu package)
libheif

Install updates from vendor's website.

libheif - update to 1.17.6
heif-gdk-pixbuf (Ubuntu package) - addressed in versions Ubuntu Pro, 1.16.2-2ubuntu1.1
libheif-dev (Ubuntu package) - addressed in versions Ubuntu Pro, 1.16.2-2ubuntu1.1
libheif1 (Ubuntu package) - addressed in versions Ubuntu Pro, 1.16.2-2ubuntu1.1
libheif-plugin-libde265 (Ubuntu package) - update to 1.16.2-2ubuntu1.1
libheif - update to 1.17.5-1.fc40

• https://github.com/strukturag/libheif/issues/1042
• https://github.com/strukturag/libheif/releases/tag/v1.17.6

• Multiple vulnerabilities in libheif
• Fedora 40 update for libheif
• Ubuntu update for libheif