TCPDF missing character escape on error messages
The advisory, in context
An issue was discovered in TCPDF before 6.8.0. The Error function lacks an htmlspecialchars call for the error message.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
Earlier releases before 6.8.0
Fixed in 6.8.0
131 explicitly affected versions
6.0.013, 6.0.014, 6.0.015, 6.0.016, 6.0.017, 6.0.018, 6.0.019, 6.0.020, 6.0.021, 6.0.022, 6.0.023, 6.0.024, 6.0.025, 6.0.026, 6.0.027, 6.0.028, 6.0.029, 6.0.030, 6.0.031, 6.0.032, 6.0.033, 6.0.034, 6.0.035, 6.0.036, 6.0.037, 6.0.038, 6.0.039, 6.0.040, 6.0.041, 6.0.042, 6.0.043, 6.0.044, 6.0.045, 6.0.046, 6.0.047, 6.0.048, 6.0.049, 6.0.050, 6.0.051, 6.0.052, 6.0.053, 6.0.054, 6.0.055, 6.0.056, 6.0.057, 6.0.058, 6.0.059, 6.0.060, 6.0.061, 6.0.062, 6.0.063, 6.0.064, 6.0.065, 6.0.066, 6.0.067, 6.0.068, 6.0.069, 6.0.070, 6.0.071, 6.0.072, 6.0.073, 6.0.074, 6.0.075, 6.0.076, 6.0.077, 6.0.078, 6.0.079, 6.0.080, 6.0.081, 6.0.082, 6.0.083, 6.0.084, 6.0.085, 6.0.086, 6.0.087, 6.0.088, 6.0.089, 6.0.090, 6.0.091, 6.0.092, 6.0.093, 6.0.094, 6.0.095, 6.0.096, 6.0.097, 6.0.098, 6.0.099, 6.1.0, 6.1.1, 6.2.0, 6.2.1, 6.2.10, 6.2.11, 6.2.12, 6.2.13, 6.2.16, 6.2.17, 6.2.19, 6.2.2, 6.2.20, 6.2.21, 6.2.22, 6.2.23, 6.2.25, 6.2.26, 6.2.3, 6.2.4, 6.2.5, 6.2.6, 6.2.7, 6.2.8, 6.2.9, 6.3.0, 6.3.1, 6.3.2, 6.3.3, 6.3.4, 6.3.5, 6.4.1, 6.4.2, 6.4.3, 6.4.4, 6.5.0, 6.6.0, 6.6.1, 6.6.2, 6.7.4, 6.7.5, 6.7.6, 6.7.7, 6.7.8
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.8.0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"6.0.013",
"6.0.014",
"6.0.015",
"6.0.016",
"6.0.017",
"6.0.018",
"6.0.019",
"6.0.020",
"6.0.021",
"6.0.022",
"6.0.023",
"6.0.024",
"6.0.025",
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"6.0.027",
"6.0.028",
"6.0.029",
"6.0.030",
"6.0.031",
"6.0.032",
"6.0.033",
"6.0.034",
"6.0.035",
"6.0.036",
"6.0.037",
"6.0.038",
"6.0.039",
"6.0.040",
"6.0.041",
"6.0.042",
"6.0.043",
"6.0.044",
"6.0.045",
"6.0.046",
"6.0.047",
"6.0.048",
"6.0.049",
"6.0.050",
"6.0.051",
"6.0.052",
"6.0.053",
"6.0.054",
"6.0.055",
"6.0.056",
"6.0.057",
"6.0.058",
"6.0.059",
"6.0.060",
"6.0.061",
"6.0.062",
"6.0.063",
"6.0.064",
"6.0.065",
"6.0.066",
"6.0.067",
"6.0.068",
"6.0.069",
"6.0.070",
"6.0.071",
"6.0.072",
"6.0.073",
"6.0.074",
"6.0.075",
"6.0.076",
"6.0.077",
"6.0.078",
"6.0.079",
"6.0.080",
"6.0.081",
"6.0.082",
"6.0.083",
"6.0.084",
"6.0.085",
"6.0.086",
"6.0.087",
"6.0.088",
"6.0.089",
"6.0.090",
"6.0.091",
"6.0.092",
"6.0.093",
"6.0.094",
"6.0.095",
"6.0.096",
"6.0.097",
"6.0.098",
"6.0.099",
"6.1.0",
"6.1.1",
"6.2.0",
"6.2.1",
"6.2.10",
"6.2.11",
"6.2.12",
"6.2.13",
"6.2.16",
"6.2.17",
"6.2.19",
"6.2.2",
"6.2.20",
"6.2.21",
"6.2.22",
"6.2.23",
"6.2.25",
"6.2.26",
"6.2.3",
"6.2.4",
"6.2.5",
"6.2.6",
"6.2.7",
"6.2.8",
"6.2.9",
"6.3.0",
"6.3.1",
"6.3.2",
"6.3.3",
"6.3.4",
"6.3.5",
"6.4.1",
"6.4.2",
"6.4.3",
"6.4.4",
"6.5.0",
"6.6.0",
"6.6.1",
"6.6.2",
"6.7.4",
"6.7.5",
"6.7.6",
"6.7.7",
"6.7.8"
]
}References
- https://nvd.nist.gov/vuln/detail/CVE-2024-56527
- https://github.com/tecnickcom/TCPDF/commit/11778aaa2d9e30a9ae1c1ee97ff349344f0ad6e1
- https://andrea0.medium.com/analysis-of-cve-2024-56527-dbdab6962add
- https://github.com/tecnickcom/TCPDF
- https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0
- https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html
- https://tcpdf.org