Use After Free Affecting expat package, versions <2.4.8-2


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.56% (78th percentile)

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  • Snyk ID SNYK-DEBIANUNSTABLE-EXPAT-3023029
  • published 14 Sep 2022
  • disclosed 14 Sep 2022

How to fix?

Upgrade Debian:unstable expat to version 2.4.8-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

libexpat before 2.4.9 has a use-after-free in the doContent function in xmlparse.c.

References

CVSS Scores

version 3.1
Expand this section

NVD

8.1 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

8.1 high
Expand this section

Red Hat

8.1 high