CVE catalog

CVE-2020-18773

exiv2: CVE-2020-18773

Severity: Low
Published: Aug 23, 2021, 10:15:27 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.33% · Oct 25, 2026

An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif 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`	vulnerable
Debian	exiv2	forky	`0.28.9+dfsg-1`	vulnerable
Debian	exiv2	trixie	`0.28.5+dfsg-1`	vulnerable
Debian	exiv2	bookworm	`0.27.6-1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	exiv2	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	exiv2	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	exiv2	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	exiv2	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[exiv2]Affected
Details (2)
- 0.27.6-1 · amd64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- 0.27.6-1 · arm64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
[libexiv2-27]Affected
Source package: [exiv2]
Details (2)
- 0.27.6-1 · amd64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- 0.27.6-1 · arm64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
[libexiv2-dev]Affected
Source package: [exiv2]
Details (2)
- 0.27.6-1 · amd64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- 0.27.6-1 · arm64 · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
[libexiv2-doc]Affected
Source package: [exiv2]
Details (2)
- 0.27.6-1 · all · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12
- 0.27.6-1 · all · bookworm
  Affected
  dsa · exiv2 · debian · bookworm; dsa · exiv2 · debian · 12

[Debian 13 (Trixie)]

[exiv2]Affected
Details (2)
- 0.28.5+dfsg-1 · amd64 · trixie
  Affected
  dsa · exiv2 · debian · 13
- 0.28.5+dfsg-1 · arm64 · trixie
  Affected
  dsa · exiv2 · debian · 13
[libexiv2-28]Affected
Source package: [exiv2]
Details (2)
- 0.28.5+dfsg-1 · amd64 · trixie
  Affected
  dsa · exiv2 · debian · 13
- 0.28.5+dfsg-1 · arm64 · trixie
  Affected
  dsa · exiv2 · debian · 13
[libexiv2-data]Affected
Source package: [exiv2]
Details (2)
- 0.28.5+dfsg-1 · all · trixie
  Affected
  dsa · exiv2 · debian · 13
- 0.28.5+dfsg-1 · all · trixie
  Affected
  dsa · exiv2 · debian · 13
[libexiv2-dev]Affected
Source package: [exiv2]
Details (2)
- 0.28.5+dfsg-1 · amd64 · trixie
  Affected
  dsa · exiv2 · debian · 13
- 0.28.5+dfsg-1 · arm64 · trixie
  Affected
  dsa · exiv2 · debian · 13
[libexiv2-doc]Affected
Source package: [exiv2]
Details (2)
- 0.28.5+dfsg-1 · all · trixie
  Affected
  dsa · exiv2 · debian · 13
- 0.28.5+dfsg-1 · all · trixie
  Affected
  dsa · exiv2 · debian · 13

Observed: Oct 23, 2026, 5:48:55 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]