CVE-2024-22640

Exp

TCPDF version <=6.6.5 is vulnerable to ReDoS (Regular Expression Denial of Service) if parsing an untrusted HTML page with a crafted color.

Published: 2024-04-19 Last update: 2025-11-04 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-22640 is rated High Exploit Risk (68.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.32%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2024-22640

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2024-22640

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.55% 1.32% -0.23%
2 2026-05-08 1.19% 1.55% +0.36%
3 2026-04-01 — 1.19% —

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-22640

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-22640

GitHub Security Advisory for CVE-2024-22640

GHSA-mx3p-fhpw-x6rv · Severity: medium · Ecosystem: composer — TCPDF vulnerable to Regular Expression Denial of Service

OS Trackers for CVE-2024-22640

vendor priority summary link
debian not yet assigned CVE-2024-22640 not yet assigned priority: Debian including 1 source packages (tcpdf), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-22640
ubuntu medium CVE-2024-22640 medium priority: Ubuntu including 1 source packages (tcpdf), 11 status rows across 11 suites (bionic, focal, jammy, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 8, ignored 3. https://ubuntu.com/security/CVE-2024-22640

Affected software / configurations for CVE-2024-22640

Vendor Product Version Raw CPE
tcpdf_project tcpdf <= 6.7.4 cpe:2.3:a:tcpdf_project:tcpdf:*:*:*:*:*:*:*:*
fedoraproject fedora 40 cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

References for CVE-2024-22640

cvelogic Threat Intelligence