bzip2 up to 1.0.6 decompress.c BZ2_decompress 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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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in bzip2 up to 1.0.6. It has been declared as critical. This affects the function BZ2_decompress of the file decompress.c. The manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2019-12900. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in bzip2 up to 1.0.6. It has been classified as critical. Affected is the function BZ2_decompress of the file decompress.c. 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:

BZ2_decompress in decompress.c in bzip2 through 1.0.6 has an out-of-bounds write when there are many selectors.

The weakness was released 06/19/2019 (Website). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2019-12900 since 06/19/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 210436 (AlmaLinux 8 : bzip2 (ALSA-2024:8922)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (210436). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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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Nessus ID: 210436
Nessus Name: AlmaLinux 8 : bzip2 (ALSA-2024:8922)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: gitlab.com

Timelineinfo

06/19/2019 🔍
06/19/2019 +0 days 🔍
06/20/2019 +1 days 🔍
06/09/2025 +2181 days 🔍

Sourcesinfo

Advisory: K68713584
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-12900 (🔍)
GCVE (CVE): GCVE-0-2019-12900
GCVE (VulDB): GCVE-100-136716

Entryinfo

Created: 06/20/2019 10:16
Updated: 06/09/2025 19:58
Changes: 06/20/2019 10:16 (53), 06/25/2020 22:41 (2), 10/06/2023 19:22 (4), 10/06/2023 19:31 (1), 11/06/2024 22:54 (22), 06/09/2025 19:58 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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