Werkzeug is a Web Server Gateway Interface web application library. Applications using werkzeug.formparser.MultiPartParser corresponding to a version of Werkzeug prior to 3.0.6 to parse multipart/form-data requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.
CVE-2024-49767
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 1.1%, top 38% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation1% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 64%
- KEV
- Not listed
Published
October 25, 2024
Last Modified
January 3, 2025
References (6)
- security-advisories@githubhttps://github.com/pallets/quart/commit/5e78c4169b8eb66b91ead3e62d44721b9e1644ee
- security-advisories@githubhttps://github.com/pallets/quart/commit/abb04a512496206de279225340ed022852fbf51f
- security-advisories@githubhttps://github.com/pallets/werkzeug/commit/50cfeebcb0727e18cc52ffbeb125f4a66551179b
- security-advisories@githubhttps://github.com/pallets/werkzeug/releases/tag/3.0.6
- security-advisories@githubhttps://github.com/pallets/werkzeug/security/advisories/GHSA-q34m-jh98-gwm2
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20250103-0007/
Vendor Advisories for CVE-2024-49767(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2025:1448Red Hat Product SecurityHigh
Red Hat Security Advisory: RHOAI 2.17.0 - Red Hat OpenShift AI
- RHSA-2024:10852Red Hat Product SecurityHigh
Red Hat Security Advisory: RHOAI 2.16.0 - Red Hat OpenShift AI
- GHSA-q34m-jh98-gwm2GitHub Security AdvisoriesMedium
Werkzeug possible resource exhaustion when parsing file data in forms
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python3-werkzeug (3.0.3-1ubuntu0.1) @ oracular | 2026-05-23 | ubuntu |
| redhat | rhoai/odh-modelmesh-runtime-adapter-rhel8:v2.17.0-1739102748 | 2025-02-13 | redhat |
| redhat | rhoai/odh-modelmesh-runtime-adapter-rhel8:v2.16.0-1732953768 | 2024-12-05 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(11 across 7 ecosystems)
Debian:12(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| python-werkzeug | 2.2.2-3 | 2.2.2-3+deb12u1 | — |
| quart | 0.18.3-2 ... 0.20.0-5 (11 versions) | — | — |
Debian:13(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| python-werkzeug | — | 3.1.3-2 | — |
| quart | — | 0.19.9-1 | — |
Debian:14(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| python-werkzeug | — | 3.1.3-2 | — |
| quart | — | 0.19.9-1 | — |
PyPI(2)
Alpine:v3.23(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| py3-werkzeug | — | 3.0.6-r0 | — |
Alpine:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| py3-werkzeug | — | 3.0.6-r0 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| quart | 0.14.1-1 ... 0.20.0-5 (13 versions) | — | — |
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(2)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 7× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 163 total refreshes for this CVE.
- 2026-09-18 19:26 UTCEPSS rescore
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- 2026-07-30 16:26 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-0554EG 10.0EPSS p99HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
- CVE-2001-0011EG 10.0EPSS p94HIGH
- CVE-2001-0013EG 10.0EPSS p96HIGH
Same CWE
10 shownCWE-400 · CWE-770
- CVE-2004-1464NVD 5.9EG 9.0 KEVEPSS p92CRITICAL
- CVE-2010-3705EG 8.3HIGH
- CVE-2006-1364NVD 7.5EG 8.2EPSS p99HIGH
- CVE-2008-5180NVD 5.3EG 7.9EPSS p99HIGH
- CVE-2012-0024EG 7.8HIGH
- CVE-2011-3192EG 7.8EPSS p100HIGH
- CVE-2010-4686EG 7.8HIGH
- CVE-2010-4671EG 7.8HIGH
- CVE-2009-2054EG 7.8HIGH
- CVE-2009-2726EG 7.8EPSS p93HIGH
Frequently asked(5)
What is CVE-2024-49767?
When was CVE-2024-49767 disclosed?
Is CVE-2024-49767 actively exploited?
What is the CVSS score of CVE-2024-49767?
How do I remediate CVE-2024-49767?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-49767
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