| Name | CVE-2020-18899 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| exiv2 (PTS) | buster | 0.25-4+deb10u2 | fixed |
| buster (security) | 0.25-4+deb10u4 | fixed |
| bullseye | 0.27.3-3+deb11u2 | fixed |
| bullseye (security) | 0.27.3-3+deb11u1 | fixed |
| sid, trixie, bookworm | 0.27.6-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| exiv2 | source | buster | (not affected) | | | |
| exiv2 | source | (unstable) | 0.27.2-6 | | | |
Notes
[buster] - exiv2 <not-affected> (jp2image::printStructure added in 0.26)
https://github.com/Exiv2/exiv2/issues/742
https://github.com/Exiv2/exiv2/commit/051b5d9df1f4669117937b7a40104404cc252993 (0.27.1)