CVE-2023-5856 json
Use after free in Side Panel in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific…
published 2023-11-01 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58136
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
Use after free in Side Panel in Google Chrome prior to 119.0.6045.105 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
Patch / fix
- google chrome 119.0.6045.105
- chromium Debian 12 119.0.6045.105-1~deb12u1
- chromium Debian 14, Debian 13 119.0.6045.105-1
debian advisories DEBIAN-CVE-2023-5856
- chromium openSUSE Tumbleweed 119.0.6045.123-1.1
- chromium Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 119.0.6045.123-bp155.2.55.1
- gn Package Hub 15 SP5, Package Hub 15 SP4, openSUSE Leap 15.5 +1 more 0.20231023-bp155.5.3.1
opensuse advisories openSUSE-SU-2024:13419-1openSUSE-SU-2024:13423-1openSUSE-SU-2023:0368-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2023-5856 updated cvss 6.5
chromium-browser: Use after free in Side Panel
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
1.15% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Google Chrome
Classification
- Weakness
-
- CWE-416 Use After Free
- Technology feeds
References
-
chromereleases.googleblog.com
/2023/10/stable-channel-update-for-desktop_31.html
release-notes, vendor-advisory
-
crbug.com
/1493380
permissions-required
-
debian.org
/security/2023/dsa-5546
third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce@lists.fedoraproject.org/message/EBA4KD5ZSV6XWWFLVR5UBYKKNOYMH33H/
mailing-list
-
lists.fedoraproject.org
/archives/list/package-announce@lists.fedoraproject.org/message/2MHLJRFWZNY6BFOW25Q4FEESVWZKS4C2/
mailing-list
-
lists.fedoraproject.org
/archives/list/package-announce@lists.fedoraproject.org/message/PHWLT3M2AQDFD7RNAM3NJMYUC5KHMO5V/
mailing-list
-
security.gentoo.org
/glsa/202311-11
third-party-advisory
-
security.gentoo.org
/glsa/202312-07
third-party-advisory
- security.gentoo.org /glsa/202401-34
Sources
- CVE List CVE-2023-5856
- NVD CVE-2023-5856
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.