ALPINE-CVE-2019-6977
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 27 Jan 2019, 02:29
Last modified:03 Dec 2025, 22:45
Vulnerability Summary
Overall Risk (default)
medium
35/100 CVSS Score
8.8 HIGH
3.0 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Jan 2019, 02:29
Published
Vulnerability first disclosed
03 Dec 2025, 22:45
Last Modified
Vulnerability information updated
Description
gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.
CVSS Metrics
- v3.0•HIGH•Score: 8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Systems
- alpine•gd
< 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2 | < 2.2.5-r2