CVE-2021-37981: debian debian_linux Out-of-bounds Write
CVSS: 9.6v3.1CriticalModified
AliasesUBUNTU-CVE-2021-37981DEBIAN-CVE-2021-37981
Published 02-11-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-37981 is a critical (CVSS 9.6) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities.
CVSS score
9.6/10
010
Critical · v3.1 (NVD)EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 9Timeline
- 02-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Heap buffer overflow in Skia in Google Chrome prior to 95.0.4638.54 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsCritical 9.6Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 19-09-2026
19-09-202619-10-2026
EPSS score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- chromium< 97.0.4692.71-0.1
- debian_linuxEOL10.0 | 11.0
Google1 product
- chrome≥ unspecified, < 95.0.4638.54 | < 95.0.4638.54
Ubuntu1 product
- chromium-browser< 95.0.4638.69-0ubuntu0.18.04.1
3 vendors · 4 products
References
6 links- chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.htmlX Refsource MISCVendor Advisory
