VulnerabilityModified
CVE-2024-22640
TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.
HIGH 7.5EPSS 1.32%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.32% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1333
- Affected
- tcpdf project/tcpdf · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/tecnickcom/TCPDFProduct
- https://github.com/zunak/CVE-2024-22640Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/Third Party Advisory
- https://github.com/tecnickcom/TCPDFProduct
- https://github.com/zunak/CVE-2024-22640Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LIB3R2WB7XPW2I4PGVMZ3VLFLRHOK4RB/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.