Heap-buffer-overflow in Exiv2::AsfVideo::GUIDTag::GUIDTag
Description
A heap-buffer-overflow vulnerability exists in the Exiv2 library within the AsfVideo::GUIDTag constructor. This issue was identified by OSS-Fuzz and involves an out-of-bounds read of 8 bytes during processing of ASF video metadata. The vulnerability affects specific versions of Exiv2 from 0.28.0 through 0.28.9. No CVSS score or vendor patch information is currently available.
Affected software
pkg:generic/exiv2Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability is a heap-buffer-overflow read occurring in the Exiv2 library's AsfVideo::GUIDTag constructor, as reported by OSS-Fuzz. The crash occurs during the execution of AsfVideo::streamProperties and AsfVideo::decodeBlock functions, indicating a flaw in handling ASF video metadata. The affected versions are explicitly listed as 0.28.0 through 0.28.9. There is no information on patches or fixes from the vendor, and no known exploits in the wild have been reported.
Potential Impact
The heap-buffer-overflow read may lead to application crashes or potential memory disclosure if exploited. However, no active exploitation has been reported, and the exact impact beyond a crash is not detailed in the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider avoiding processing untrusted ASF video metadata with affected versions of Exiv2 or apply any vendor-provided updates once released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- OSV-2024-340
- Osv Schema Version
- 1.6.0
- Ecosystems
- ["OSS-Fuzz"]
Threat ID: 6a95a0d9acd9273b494784e1
Added to database: 08/31/2026, 15:42:17 UTC
Last enriched: 09/09/2026, 11:53:51 UTC
Last updated: 10/01/2026, 22:34:46 UTC
Views: 47
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