CVE-2023-0996
highpriority · track · 31EPSS 0.003 · 23 %ileEURUUSEPSS · scored 2026-10-27
There is a vulnerability in the strided image data parsing code in the emscripten wrapper for libheif. An attacker could exploit this through a crafted image file to cause a buffer overflow in linear memory during a memcpy call.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-0996/cnnvd
- https://github.com/strukturag/libheif/commit/3c8e92448c10a57a7f1ec8536c6e5427fb2c7c62Patchcnnvd
- https://github.com/strukturag/libheif/pull/759cnnvd
- https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.htmlcnnvd
- https://github.com/strukturag/libheif/pull/759enisa_euvd
- https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.htmlenisa_euvd
- https://github.com/strukturag/libheif/pull/759PatchVendor Advisorynvd
- https://govtech-csg.github.io/security-advisories/2023/02/24/CVE-2023-0996.htmlThird Party Advisorynvd
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