What is CVE-2019-13109?

CVE-2019-13109 is a medium-severity vulnerability in Exiv2, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2019-06-30.

How severe is CVE-2019-13109?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Integer overflow in Exiv2

CVE-2019-13109

An integer overflow in Exiv2 through 0.27.1 allows an attacker to cause a denial of service (SIGSEGV) via a crafted PNG image file, because PngImage::readMetadata mishandles a chunkLength - iccOffset subtraction.

Vulnerability class: Integer Overflow

Published 2019-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.5th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Exiv2
Fedoraproject Fedora — versions 30

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/Exiv2/exiv2/issues/790 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/Exiv2/exiv2/pull/795 (Patch)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)

Frequently asked questions

What is CVE-2019-13109?: CVE-2019-13109 is a medium-severity vulnerability in Exiv2, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2019-06-30.
How severe is CVE-2019-13109?: Medium severity. CVSS v3 base score is 6.5 out of 10.