CVE-2018-20096

There is a heap-based buffer over-read in the Exiv2::tEXtToDataBuf function of pngimage.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 61%
VendorProductVersion
exiv2exiv2
0.27:rc3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
exiv2
bullseye
0.27.3-3+deb11u2
fixed
bullseye (security)
0.27.3-3+deb11u1
fixed
bookworm
0.27.6-1
fixed
sid
0.28.3+dfsg-2
fixed
trixie
0.28.3+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
exiv2
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2019:2101
https://github.com/Exiv2/exiv2/issues/590
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/
https://access.redhat.com/errata/RHSA-2019:2101
https://github.com/Exiv2/exiv2/issues/590
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/