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CVE-2015-8035

Publication date 2 November 2015

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The xz_decomp function in xzlib.c in libxml2 2.9.1 does not properly detect compression errors, which allows context-dependent attackers to cause a denial of service (process hang) via crafted XML data.

Read the notes from the security team

Status

Package Ubuntu Release Status
libxml2 15.10 wily
Not affected
15.04 vivid
Not affected
14.04 LTS trusty
Fixed 2.9.1+dfsg1-3ubuntu4.5
12.04 LTS precise
Not affected

Notes

tyhicks

The test xz file does not trigger the DoS in our 2.9.2 builds. xz support was accidentally disabled in 2.9.2. Marking the devel release as 'needed' so that the build system fix (18b8988511b0954272cac4d6c3e6724f9dbf6e0a) doesn't slip in without this CVE fix.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
libxml2

References

Related Ubuntu Security Notices (USN)

    • USN-2812-1
    • libxml2 vulnerabilities
    • 16 November 2015

Other references