Out-of-bounds Read in Exiv2

CVE-2017-12957

There is a heap-based buffer over-read in libexiv2 in Exiv2 0.26 that is triggered in the Exiv2::Image::io function in image.cpp. It will lead to remote denial of service.

Vulnerability class: Buffer Overflow

EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Exiv2 — versions 0.26
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2017-12957?
CVE-2017-12957 is a medium-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2017-08-18.
How severe is CVE-2017-12957?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2017-12957 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.