| Name | CVE-2019-20421 |
| Description | In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2, an input file can result in an infinite loop and hang, with high CPU consumption. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2750-1, DSA-4958-1, ELA-479-1 |
| Debian Bugs | 950183 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| exiv2 (PTS) | jessie, jessie (lts) | 0.24-4.1+deb8u7 | fixed |
| stretch (security) | 0.25-3.1+deb9u3 | fixed | |
| stretch (lts), stretch | 0.25-3.1+deb9u4 | fixed | |
| buster (security), buster, buster (lts) | 0.25-4+deb10u4 | fixed | |
| bullseye | 0.27.3-3+deb11u2 | fixed | |
| bullseye (security) | 0.27.3-3+deb11u1 | fixed | |
| bookworm | 0.27.6-1 | fixed | |
| sid, trixie | 0.28.3+dfsg-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| exiv2 | source | jessie | 0.24-4.1+deb8u6 | ELA-479-1 | ||
| exiv2 | source | stretch | 0.25-3.1+deb9u3 | DLA-2750-1 | ||
| exiv2 | source | buster | 0.25-4+deb10u2 | DSA-4958-1 | ||
| exiv2 | source | (unstable) | 0.27.2-8 | low | 950183 |
[jessie] - exiv2 <ignored> (Minor issue)
https://github.com/Exiv2/exiv2/commit/a82098f4f90cd86297131b5663c3dec6a34470e8
https://github.com/Exiv2/exiv2/issues/1011