The bmp_read_rows function in pngxtern/pngxrbmp.c in OptiPNG before 0.7.6 allows remote attackers to cause a denial of service (invalid memory write and crash) via a series of delta escapes in a crafted BMP image.
Vendor
optipng vulnerabilities
3 published CVES affecting optipng, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 3
- Critical
- 0
- High
- 2
- Medium
- 1
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
Latest optipng CVEs
Newest publication first
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MediumCVSS 6.5 EPSS 3.5%
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HighCVSS 7.5 EPSS 5.2%
Use-after-free vulnerability in opngreduc.c in OptiPNG Hg and 0.7.x before 0.7.3 might allow remote attackers to execute arbitrary code via unspecified vectors related to "palette reduction."
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HighCVSS 9.3 EPSS 4.0%
Buffer overflow in the BMP reader in OptiPNG 0.6 and 0.6.1 allows user-assisted attackers to execute arbitrary code via a crafted BMP image, related to an "array overflow."
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.