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 earlier. 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.
Published 2021-05-13 17:15:07
Updated 2023-12-22 10:15:09
Source GitHub, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2021-29623

0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29623

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
NIST
3.3
LOW CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
1.8
1.4
NIST
3.6
LOW CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
1.0
2.5
GitHub, Inc.

CWE ids for CVE-2021-29623

  • The product uses or accesses a resource that has not been initialized.
    Assigned by:
    • nvd@nist.gov (Secondary)
    • security-advisories@github.com (Primary)

References for CVE-2021-29623

Products affected by CVE-2021-29623

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