CVE-2021-30547: debian debian_linux Out-of-bounds Write
CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2021-30547DEBIAN-CVE-2021-30547
Published 15-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-30547 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 3.61% chance of exploitation in the next 30 days, higher than 89.3% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
3.61%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 35 · Related 21DLA-2709-1DLA-2711-1DSA-4939-1DSA-4940-1MGASA-2021-0354MGASA-2021-0355OPENSUSE-SU-2021:0881-1OPENSUSE-SU-2021:0938-1OPENSUSE-SU-2021:0948-1OPENSUSE-SU-2021:0949-1OPENSUSE-SU-2021:1066-1OPENSUSE-SU-2021:1091-1OPENSUSE-SU-2021:2393-1OPENSUSE-SU-2021:2458-1OPENSUSE-SU-2022:0110-1OPENSUSE-SU-2024:10600-1OPENSUSE-SU-2024:10601-1OPENSUSE-SU-2024:10681-1OPENSUSE-SU-2024:12948-1OPENSUSE-SU-2024:14572-1RHSA-2021:2740RHSA-2021:2741RHSA-2021:2742RHSA-2021:2743RHSA-2021:2881RHSA-2021:2882RHSA-2021:2883RHSA-2021:2914SUSE-SU-2021:14766-1SUSE-SU-2021:2389-1SUSE-SU-2021:2393-1SUSE-SU-2021:2458-1SUSE-SU-2021:2478-1USN-5011-1USN-5058-1
Timeline
- 15-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Out of bounds write in ANGLE in Google Chrome prior to 91.0.4472.101 allowed a remote attacker to potentially perform out of bounds memory access 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
3.61%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
+0.03 pp
From 3.58% on 20-09-2026
20-09-202620-10-2026
EPSS score3.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian4 products
- chromium< 93.0.4577.82-1
- firefox-esr< 78.12.0esr-1
- thunderbird< 1:78.12.0-1
- debian_linuxEOL9.0 | 10.0
Ubuntu3 products
- chromium-browser< 91.0.4472.101-0ubuntu0.18.04.1
- firefox< 90.0+build1-0ubuntu0.18.04.1 | < 90.0+build1-0ubuntu0.20.04.1
- thunderbird< 1:78.13.0+build1-0ubuntu0.18.04.1 | < 1:78.13.0+build1-0ubuntu0.20.04.2
Fedoraproject1 product
- fedoraEOL34
Google1 product
- chrome≥ unspecified, < 91.0.4472.101 | < 91.0.4472.101
Mozilla1 product
- firefox< 97.0
5 vendors · 10 products
References
17 links- chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.htmlX Refsource MISCRelease NotesVendor Advisory
- lists.debian.org/debian-lts-announce/2021/07/msg00009.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/07/msg00010.htmlMailing ListX Refsource MLISTThird Party Advisory