Vulnerability · Published Aug 22, 2023 · Assigned by mitre
CVE-2020-18831
High 7.8
In plain English
A high-severity security flaw in the exiv2 package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.8%top 43.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1 allows remote attackers to cause a denial of service and other unspecified impacts via use of crafted file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | exiv2 | 0.27.2-6 | DEBIAN-CVE-2020-18831 |
| Debian:13 | exiv2 | 0.27.2-6 | DEBIAN-CVE-2020-18831 |
| Debian:14 | exiv2 | 0.27.2-6 | DEBIAN-CVE-2020-18831 |
| PyPI | exiv2 | no fix listed | PYSEC-2023-150 |