CVE catalog
CVE-2019-20421
exiv2: CVE-2019-20421
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 4.30% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | exiv2 | sid | 0.28.9+dfsg-1 | fixed |
| Debian | exiv2 | forky | 0.28.9+dfsg-1 | fixed |
| Debian | exiv2 | trixie | 0.28.5+dfsg-1 | fixed |
| Debian | exiv2 | bookworm | 0.27.6-1 | fixed |
| Alpine | exiv2 | 3.11 | 0.27.2-r3 | fixed |
| Ubuntu | exiv2 | 16.04 | 0.25-1ubuntu1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.2 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.3 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.4 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.5 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.6 | fixed |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.1 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.2 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.3 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.4 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.5 | fixed |
| Ubuntu | exiv2 | 16.04 | 0.25-1ubuntu1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.1 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.2 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.3 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.4 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.5 | vulnerable |
| Ubuntu | exiv2 | 16.04 | 0.25-2.1ubuntu16.04.6 | fixed |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.1 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.2 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.3 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.4 | vulnerable |
| Ubuntu | exiv2 | 18.04 | 0.25-3.1ubuntu0.18.04.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | exiv2 | source | sid | 0.27.2-8 | low | Not reported | [950183] |
| Debian | exiv2 | source | forky | 0.27.2-8 | low | Not reported | [950183] |
| Debian | exiv2 | source | trixie | 0.27.2-8 | low | Not reported | [950183] |
| Debian | exiv2 | source | bookworm | 0.27.2-8 | low | Not reported | [950183] |
| Alpine | exiv2 | apk | 3.11 | 0.27.2-r3 | Not reported | ALPINE-CVE-2019-20421 | Not reported |
| Ubuntu | exiv2 | deb | 16.04 | 0.25-2.1ubuntu16.04.6 | Not reported | UBUNTU-CVE-2019-20421 | Not reported |
| Ubuntu | exiv2 | deb | 18.04 | 0.25-3.1ubuntu0.18.04.5 | Not reported | UBUNTU-CVE-2019-20421 | Not reported |
| Ubuntu | exiv2 | deb | 16.04 | 0.25-2.1ubuntu16.04.6 | Not reported | USN-4270-1 | Not reported |
| Ubuntu | exiv2 | deb | 18.04 | 0.25-3.1ubuntu0.18.04.5 | Not reported | USN-4270-1 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [exiv2]Fixed
Details (2)
0.27.6-1· amd64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
0.27.6-1· arm64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- [libexiv2-27]Fixed
Source package: [exiv2]
Details (2)
0.27.6-1· amd64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
0.27.6-1· arm64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- [libexiv2-dev]Fixed
Source package: [exiv2]
Details (2)
0.27.6-1· amd64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
0.27.6-1· arm64 · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- [libexiv2-doc]Fixed
Source package: [exiv2]
Details (2)
0.27.6-1· all · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
0.27.6-1· all · bookwormFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
[Debian 13 (Trixie)]
- [exiv2]Fixed
Details (2)
0.28.5+dfsg-1· amd64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
0.28.5+dfsg-1· arm64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
- [libexiv2-28]Fixed
Source package: [exiv2]
Details (2)
0.28.5+dfsg-1· amd64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
0.28.5+dfsg-1· arm64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
- [libexiv2-data]Fixed
Source package: [exiv2]
Details (2)
0.28.5+dfsg-1· all · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
0.28.5+dfsg-1· all · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
- [libexiv2-dev]Fixed
Source package: [exiv2]
Details (2)
0.28.5+dfsg-1· amd64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
0.28.5+dfsg-1· arm64 · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
- [libexiv2-doc]Fixed
Source package: [exiv2]
Details (2)
0.28.5+dfsg-1· all · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
0.28.5+dfsg-1· all · trixieFixed · Fixed:
0.27.2-8dsa · exiv2 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2020_1577.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2019-20421]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-20421]
- [https://osv.dev/vulnerability/DLA-2750-1]
- [https://osv.dev/vulnerability/DSA-4958-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2019-20421]
- [https://osv.dev/vulnerability/USN-4270-1]
- [https://security-tracker.debian.org/tracker/CVE-2019-20421]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20421.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]