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debianDebianDEBIAN:DSA-5497-2:86F8E
HistorySep 17, 2023 - 3:33 p.m.

[SECURITY] [DSA 5497-2] libwebp security update

2023-09-1715:33:57
lists.debian.org
16
cve-2023-4863
libwebp
update
buffer overflow
debian

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.68 Medium

EPSS

Percentile

97.9%


Debian Security Advisory DSA-5497-2 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
September 17, 2023 https://www.debian.org/security/faq


Package : libwebp
CVE ID : CVE-2023-4863

A buffer overflow in parsing WebP images may result in the execution of
arbitrary code.

For the oldstable distribution (bullseye), this problem has been fixed in
version 0.6.1-2.1+deb11u2.

We recommend that you upgrade your libwebp packages.

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

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.68 Medium

EPSS

Percentile

97.9%