CVE-2021-37978: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-37978DEBIAN-CVE-2021-37978
Published 02-11-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-37978 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.9% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.02%
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 8 · Related 6Timeline
- 02-11-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Heap buffer overflow in Blink in Google Chrome prior to 94.0.4606.81 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/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
1.02%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.02% on 19-09-2026
19-09-202619-10-2026
EPSS score1.02%
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
Fedoraproject1 product
- fedoraEOL33
Google1 product
- chrome≥ unspecified, < 94.0.4606.81 | < 94.0.4606.81
Ubuntu1 product
- chromium-browser< 94.0.4606.81-0ubuntu0.18.04.1
4 vendors · 5 products
References
7 links- chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop.htmlX Refsource MISCThird Party AdvisoryVendor Advisory