reassign 1051787 libwebp
thanks

Actually I'm mistaken, we're building against the system libwebp so there's no need to update chromium at all for this CVE. The webp fix is the only (linux) change that chromium made between .180 and .187.




On Tue, Sep 12 2023 at 11:34:26 AM -04:00:00, Andres Salomon <dilin...@queued.net> wrote:
clone 1051787 -1
reassign -1 libwebp
thanks

This bug's actually in libwebp. Unfortunately we're still embedding it in chromium, so we likely need to fix both chromium *and* libwebp in debian. There hasn't been a libwebp release yet, but the two relevant git commits are
<https://chromium.googlesource.com/webm/libwebp.git/+/902bc9190331343b2017211debcec8d2ab87e17a%5E%21/>
and what appears to be a followup fix to that,
<https://chromium.googlesource.com/webm/libwebp.git/+/95ea5226c870449522240ccff26f0b006037c520%5E%21/#F0>


On Tue, Sep 12 2023 at 09:12:40 AM -06:00:00, Jeffrey Cliff <jeffrey.cl...@gmail.com> wrote:
Package: chromium
Version: 116.0.5845.180-1
Severity: grave
Tags: security
Justification: user security hole
X-Debbugs-Cc: Debian Security Team <t...@security.debian.org <mailto:t...@security.debian.org>>

Dear Maintainer,

116.0.5845.187 fixes a critical remote vulnerability in chrome

[$NA][1479274] Critical CVE-2023-4863: Heap buffer overflow in WebP.
Reported by Apple Security Engineering and Architecture (SEAR) and The Citizen
Lab at The University of Torontoʼs Munk School on 2023-09-06

<https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html>

Might want to look into this at least

(attempt 3, my reportbug broke sorry)

Jeff Cliff

-- System Information:
Debian Release: trixie/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-debug'), (500,
'oldstable-debug')
Architecture: amd64 (x86_64)

Kernel: Linux 6.5.0-gnulibre (SMP w/2 CPU threads; PREEMPT)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8),
LANGUAGE=en_CA:en
Shell: /bin/sh linked to /usr/bin/dash
Init: sysvinit (via /sbin/init)
LSM: AppArmor: enabled


Versions of packages chromium depends on:
pn  chromium-common        <none>
ii  libasound2             1.2.9-2
ii  libatk-bridge2.0-0     2.49.91-2
ii  libatk1.0-0            2.49.91-2
ii  libatomic1             13.2.0-3
ii  libatspi2.0-0          2.49.91-2
ii  libbrotli1             1.0.9-2+b6
ii  libc6                  2.37-7
ii  libcairo2              1.17.8-3
ii  libcups2               2.4.2-5
ii  libdbus-1-3            1.14.10-1devuan1
ii  libdouble-conversion3  3.3.0-1
ii  libdrm2                2.4.115-1
ii  libevent-2.1-7         2.1.12-stable-8
ii  libexpat1              2.5.0-2
ii  libflac12              1.4.3+ds-2
ii  libfontconfig1         2.14.2-5
ii  libfreetype6           2.13.2+dfsg-1
ii  libgbm1                23.1.7-1
ii  libgcc-s1              13.2.0-3
ii  libglib2.0-0           2.77.3-1
ii  libgtk-3-0             3.24.38-4
ii  libjpeg62-turbo        1:2.1.5-2
ii  libjsoncpp25           1.9.5-6
ii  liblcms2-2             2.14-2
ii  libminizip1            1:1.2.13.dfsg-3
ii  libnspr4               2:4.35-1.1
ii  libnss3                2:3.92-1
pn  libopenh264-7          <none>
ii  libopenjp2-7           2.5.0-2
ii  libopus0               1.4-1
ii  libpango-1.0-0         1.51.0+ds-2
ii  libpng16-16            1.6.40-1
ii  libpulse0              16.1+dfsg1-2+b1
ii  libsnappy1v5           1.1.10-1
ii  libstdc++6             13.2.0-3
ii  libwebp7               1.2.4-0.2
ii  libwebpdemux2          1.2.4-0.2
ii  libwebpmux3            1.2.4-0.2
ii  libwoff1               1.0.2-2
ii  libx11-6               2:1.8.6-1
ii  libxcb1                1.15-1
ii  libxcomposite1         1:0.4.5-1
ii  libxdamage1            1:1.1.6-1
ii  libxext6               2:1.3.4-1+b1
ii  libxfixes3             1:6.0.0-2
ii  libxkbcommon0          1.5.0-1
ii  libxml2                2.9.14+dfsg-1.3
ii  libxnvctrl0            525.125.06-1
ii  libxrandr2             2:1.5.2-2+b1
ii  libxslt1.1             1.1.35-1
ii  zlib1g                 1:1.2.13.dfsg-3

Versions of packages chromium recommends:
pn  chromium-sandbox  <none>

Versions of packages chromium suggests:
pn  chromium-driver  <none>
pn  chromium-l10n    <none>
pn  chromium-shell   <none>


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