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HistoryDec 18, 2020 - 1:14 p.m.

[SECURITY] [DLA 2467-2] lxml regression update

2020-12-1813:14:42
lists.debian.org
31

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.004 Low

EPSS

Percentile

72.6%


Debian LTS Advisory DLA-2467-2 [email protected]
https://www.debian.org/lts/security/ Roberto C. Sánchez
December 18, 2020 https://wiki.debian.org/LTS

Package : lxml
Version : 3.7.1-1+deb9u3
CVE ID : CVE-2020-27783

The fix for CVE-2020-27783, released as DLA 2467-1, was incomplete as
the <math/svg> component was still affected by the vulnerability. This
update includes an additional patch that completes the fix. Note that a
package with version 3.7.1-1+deb9u2 was uploaded, but before the
publication of the advisory a regression was discovered, which was
immediately corrected prior to publication of this advisory.

For Debian 9 stretch, this problem has been fixed in version
3.7.1-1+deb9u3.

We recommend that you upgrade your lxml packages.

For the detailed security status of lxml please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/lxml

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
Attachment:
signature.asc
Description: PGP signature

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

0.004 Low

EPSS

Percentile

72.6%