bzip3 up to 1.2.2 libbzip3.a out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in bzip3 up to 1.2.2. Affected is an unknown function of the file libbzip3.a. The manipulation results in out-of-bounds write. This vulnerability is cataloged as CVE-2023-29418. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in bzip3 up to 1.2.2. It has been classified as critical. Affected is an unknown functionality of the file libbzip3.a. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in libbzip3.a in bzip3 before 1.2.3. There is an xwrite out-of-bounds read.

The weakness was shared 04/06/2023 as 92. The advisory is available at github.com. This vulnerability is traded as CVE-2023-29418 since 04/06/2023. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 1.2.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch aae16d107f804f69000c09cd92027a140968cc9d is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-32987). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bzip3 1.2.3
Patch: aae16d107f804f69000c09cd92027a140968cc9d

Timelineinfo

04/06/2023 🔍
04/06/2023 +0 days 🔍
04/06/2023 +0 days 🔍
12/09/2025 +978 days 🔍

Sourcesinfo

Advisory: 92
Status: Confirmed

CVE: CVE-2023-29418 (🔍)
GCVE (CVE): GCVE-0-2023-29418
GCVE (VulDB): GCVE-100-225114
EUVD: 🔍

Entryinfo

Created: 04/06/2023 13:54
Updated: 12/09/2025 15:54
Changes: 04/06/2023 13:54 (43), 03/05/2025 21:53 (26), 12/09/2025 15:54 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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