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debianDebianDEBIAN:DLA-3591-1:28D91
HistorySep 30, 2023 - 10:16 a.m.

[SECURITY] [DLA 3591-1] firefox-esr security update

2023-09-3010:16:57
lists.debian.org
13
buffer overflow
firefox-esr
cve-2023-5217
security update
debian 10
arbitrary code

CVSS3

8.8

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

AI Score

9.5

Confidence

High

EPSS

0.248

Percentile

96.7%


Debian LTS Advisory DLA-3591-1 [email protected]
https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
September 30, 2023 https://wiki.debian.org/LTS


Package : firefox-esr
Version : 115.3.1esr-1~deb10u1
CVE ID : CVE-2023-5217

A buffer overflow in VP8 media stream processing has been found in the
Mozilla Firefox web browser, which could potentially result in the
execution of arbitrary code.

For Debian 10 buster, this problem has been fixed in version
115.3.1esr-1~deb10u1.

We recommend that you upgrade your firefox-esr packages.

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

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

CVSS3

8.8

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

AI Score

9.5

Confidence

High

EPSS

0.248

Percentile

96.7%