ALPINE-CVE-2021-45960

See a problem?
Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2021-45960
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-45960.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-45960
Upstream
Published
2022-01-01T19:15:08Z
Modified
2025-09-26T00:19:50.081757Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

References

Affected packages

Alpine:v3.12

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.10-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1

Alpine:v3.13

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.10-r2

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1

Alpine:v3.14

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0

Alpine:v3.15

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0

Alpine:v3.16

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.17

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.18

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.19

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.20

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.21

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0

Alpine:v3.22

expat

Package

Name
expat
Purl
pkg:apk/alpine/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Affected versions

2.*

2.0.1-r0
2.0.1-r1
2.0.1-r2
2.0.1-r3
2.0.1-r4
2.0.1-r5
2.0.1-r6
2.1.0-r0
2.1.0-r1
2.1.0-r2
2.1.1-r0
2.2.0-r0
2.2.0-r1
2.2.1-r0
2.2.2-r0
2.2.3-r0
2.2.3-r1
2.2.4-r0
2.2.5-r0
2.2.6-r0
2.2.7-r0
2.2.7-r1
2.2.8-r0
2.2.9-r0
2.2.9-r1
2.2.10-r0
2.2.10-r1
2.3.0-r0
2.4.1-r0
2.4.2-r0