CVE-2021-37993
published 2021-11-02CVE-2021-37993: Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML…
PriorityP342high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.83%
53.8th percentile
Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 97.0.4692.71-0.1~deb11u1 | 97.0.4692.71-0.1~deb11u1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| chromium | chromium | >= 0 < 97.0.4692.71-0.1 | 97.0.4692.71-0.1 |
| debian | chromium | < chromium 97.0.4692.71-0.1 (bookworm) | chromium 97.0.4692.71-0.1 (bookworm) |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| chrome | < 95.0.4638.54 | 95.0.4638.54 | |
| chrome | >= unspecified < 95.0.4638.54 | 95.0.4638.54 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
osv8.8HIGH
vendor_debian8.8HIGH
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-477f-2ffv-3fj9: Use after free in PDF Accessibility in Google Chrome prior to 95
ghsa_unreviewed·2022-05-24
CVE-2021-37993 [HIGH] CWE-416 GHSA-477f-2ffv-3fj9: Use after free in PDF Accessibility in Google Chrome prior to 95
Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
OSV
CVE-2021-37993: Use after free in PDF Accessibility in Google Chrome prior to 95
osv·2021-11-02·CVSS 8.8
CVE-2021-37993 [HIGH] CVE-2021-37993: Use after free in PDF Accessibility in Google Chrome prior to 95
Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Chrome
Stable Channel Update for Desktop: CVE-2021-37993
vendor_chrome·2021-10-19·CVSS 8.8
CVE-2021-37993 [MEDIUM] Stable Channel Update for Desktop: CVE-2021-37993
Stable Channel Update for Desktop
CVE-2021-37993: Use after free in PDF Accessibility. Reported by Cassidy Kim of Amber Security Lab, OPPO Mobile Telecommunications Corp
Severity: medium
Microsoft
Chromium: CVE-2021-37993 Use after free in PDF Accessibility
vendor_msrc·2021-10-12·CVSS 8.8
CVE-2021-37993 [HIGH] Chromium: CVE-2021-37993 Use after free in PDF Accessibility
Chromium: CVE-2021-37993 Use after free in PDF Accessibility
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: What is the version information for this release?
Microsoft Edge Version
Date Released
Based on Chromium Version
95.0.1020.30
10/21/2021
95.0.4638.54
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the brows
Debian
CVE-2021-37993: chromium - Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allow...
vendor_debian·2021·CVSS 8.8
CVE-2021-37993 [HIGH] CVE-2021-37993: chromium - Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allow...
Use after free in PDF Accessibility in Google Chrome prior to 95.0.4638.54 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Scope: local
bookworm: resolved (fixed in 97.0.4692.71-0.1)
bullseye: resolved (fixed in 97.0.4692.71-0.1~deb11u1)
forky: resolved (fixed in 97.0.4692.71-0.1)
sid: resolved (fixed in 97.0.4692.71-0.1)
trixie: resolved (fixed in 97.0.4692.71-0.1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1255332https://www.debian.org/security/2022/dsa-5046https://chromereleases.googleblog.com/2021/10/stable-channel-update-for-desktop_19.htmlhttps://crbug.com/1255332https://www.debian.org/security/2022/dsa-5046
2021-11-02
Published