Bug 2253567 (CVE-2023-49462)

Summary: CVE-2023-49462 libheif: read16 segv
Product: [Other] Security Response Reporter: Nick Tait <ntait>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
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Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A heap buffer overflow flaw was found in the read16 function in libheif. This flaw allows an attacker to cause a crash or other possible unspecified impacts. The highest threat from this vulnerability is to system availability.
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Bug Depends On: 2253568    
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Description Nick Tait 2023-12-07 22:58:35 UTC
libheif v1.17.5 was discovered to contain a segmentation violation via the component /libheif/exif.cc.

Comment 1 Nick Tait 2023-12-07 22:58:49 UTC
Created libheif tracking bugs for this issue:

Affects: fedora-all [bug 2253568]

Comment 3 Dominik 'Rathann' Mierzejewski 2023-12-15 11:08:18 UTC
This has zero information about the supposed bug, not even a link to upstream report. I'm going to close this as invalid unless you provide more information.

Comment 4 Dominik 'Rathann' Mierzejewski 2023-12-15 11:11:06 UTC
Is this https://github.com/strukturag/libheif/issues/1043 ?

Comment 5 Nick Tait 2023-12-15 21:11:43 UTC
Sorry about that, yes that is the correct issue link.