CVE-2020-18899

exiv2: An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers t...

CVE-2020-18899 is fixed in 2 products on 1 platform, first by exiv2 0.25-3.1ubuntu0.18.04.11+esm1, released March 2, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

n/a

Low

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0166

76th percentile

An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of Exiv2 0.27 allows attackers to cause a denial of service (DOS) via a crafted input.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
exiv2 · Ubuntu 18.04.6 LTS (bionic)	0.25-3.1ubuntu0.18.04.11+esm1	exiv2 0.25-3.1ubuntu0.18.04.11+esm1	Mar 2, 2026
libexiv2-14 · Ubuntu 18.04.6 LTS (bionic)	0.25-3.1ubuntu0.18.04.11+esm1	libexiv2-14 0.25-3.1ubuntu0.18.04.11+esm1	Mar 2, 2026

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