What is CVE-2017-12955?

CVE-2017-12955 is a high-severity vulnerability in Exiv2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-08-18.

How severe is CVE-2017-12955?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2017-12955 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Exiv2

CVE-2017-12955

There is a heap-based buffer overflow in basicio.cpp of Exiv2 0.26. The vulnerability causes an out-of-bounds write in Exiv2::Image::printIFDStructure(), which may lead to remote denial of service or possibly unspecified other impact.

Vulnerability class: Buffer Overflow

Published 2017-08-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.017 (76.1th percentile), scored 2026-10-06.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Exiv2 — versions 0.26

Weakness classification (CWE)

Public proof-of-concept exploits

andir/nixos-issue-db-example

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-12955?: CVE-2017-12955 is a high-severity vulnerability in Exiv2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2017-08-18.
How severe is CVE-2017-12955?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-12955 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.