4.3
CVSSv2

CVE-2021-29623

Published: 13/05/2021 Updated: 22/12/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 3.3 | Impact Score: 1.4 | Exploitability Score: 1.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Vulnerability Summary

Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata. A read of uninitialized memory was found in Exiv2 versions v0.27.3 and previous versions. Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. The read of uninitialized memory is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to leak a few bytes of stack memory, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4.

Vulnerability Trend

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Vendor Advisories

Debian Bug report logs - #988481 exiv2: CVE-2021-29623 Package: src:exiv2; Maintainer for src:exiv2 is Debian KDE Extras Team <pkg-kde-extras@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Thu, 13 May 2021 20:33:04 UTC Severity: important Tags: security, upstream Found in versi ...
Exiv2 is a C++ library and a command-line utility to read, write, delete and modify Exif, IPTC, XMP and ICC image metadata A read of uninitialized memory was found in Exiv2 versions v0273 and earlier Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files The read of uninitializ ...
A read of uninitialized memory was found in Exiv2 versions v0273 and earlier The read of uninitialized memory is triggered when Exiv2 is used to read the metadata of a crafted image file An attacker could potentially exploit the vulnerability to leak a few bytes of stack memory, if they can trick the victim into running Exiv2 on a crafted image ...