A PngChunk::parseChunkContent uncontrolled memory allocation in Exiv2 through 0.27.1 allows an attacker to cause a denial of service (crash due to an std::bad_alloc exception) via a crafted PNG image file.
https://github.com/Exiv2/exiv2/pull/846
https://github.com/Exiv2/exiv2/issues/845
https://usn.ubuntu.com/4056-1/
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
Source: MITRE
Published: 2019-06-30
Updated: 2023-02-28
Type: CWE-770
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 2.8
Severity: MEDIUM