CVE-2017-17669
exiv2: Heap-based buffer over-read in PngChunk::keyTXTChunk function of pngchunk_int.cpp
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Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · December 13, 2017
Updated · May 13, 2026
Description
There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 4.4CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
CWE-125 · Out-of-bounds Read