CVE-2020-18899 — Allocation of Resources Without Limits or Throttling in Exiv2

CWE-770 — Allocation of Resources Without Limits or Throttling10 documents7 sources
Severity
6.5MEDIUMNVD
OSV8.1
EPSS
0.1%
top 70.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Exiv2
Timeline
PublishedAug 19
Latest updateMar 19

Description

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶Debianexiv2/exiv2< 0.27.2-6+3
▶Ubuntuexiv2/exiv2< 0.27.5-3ubuntu1.1+9
▶NVDexiv2/exiv20.27

🔴Vulnerability Details

5
OSV
exiv2 regression↗2026-03-19
▶
OSV
exiv2 vulnerabilities↗2026-03-18
▶
GHSA
GHSA-44mj-pwh6-pw78: An uncontrolled memory allocation in DataBufdata(subBox↗2022-05-24
▶
OSV
CVE-2020-18899: An uncontrolled memory allocation in DataBufdata(subBox↗2021-08-19
▶
CVEList
CVE-2020-18899: An uncontrolled memory allocation in DataBufdata(subBox↗2021-08-19
▶

📋Vendor Advisories

4
Ubuntu
Exiv2 regression↗2026-03-19
▶
Ubuntu
Exiv2 vulnerabilities↗2026-03-18
▶
Red Hat
exiv2: uncontrolled memory allocation in DataBufdata may lead to DoS↗2021-08-19
▶
Debian
CVE-2020-18899: exiv2 - An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) func...↗2020
▶