GNU C Library up to 2.32 Mutlibyte iconv infinite loop

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in GNU C Library up to 2.32. Impacted is the function iconv of the component Mutlibyte Handler. Executing a manipulation can lead to infinite loop.
The identification of this vulnerability is CVE-2020-27618. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in GNU C Library up to 2.32 (Software Library). It has been declared as problematic. This vulnerability affects the function iconv of the component Mutlibyte Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability.
The weakness was shared 02/27/2021. The advisory is available at sourceware.org. This vulnerability was named CVE-2020-27618. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 2.28
- 2.29
- 2.30
- 2.31
- 2.32
License
Website
- Vendor: https://www.gnu.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.9VulDB Meta Temp Score: 4.9
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Infinite loopCWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/22/2020 🔍02/27/2021 🔍
02/27/2021 🔍
06/09/2025 🔍
Sources
Vendor: gnu.orgAdvisory: sourceware.org
Status: Not defined
CVE: CVE-2020-27618 (🔍)
GCVE (CVE): GCVE-0-2020-27618
GCVE (VulDB): GCVE-100-170494
Entry
Created: 02/27/2021 07:59Updated: 06/09/2025 21:32
Changes: 02/27/2021 07:59 (38), 03/05/2021 18:32 (2), 06/09/2025 21:32 (33)
Complete: 🔍
Cache ID: 216:4CE:103
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