CVE-2023-44356: ZDI-CAN-21956: Adobe Acrobat Reader DC Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
Vulnerability summary
CVE-2023-44356 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in adobe acrobat. EPSS estimates a 2.04% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 16-11-2023PublishedVulnerability first disclosed.
- 11-09-2024Last modifiedVulnerability information updated.
Description
Adobe Acrobat Reader versions 23.006.20360 (and earlier) and 20.005.30524 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
2.04%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
No change 0.00 pp
From 2.04% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Adobe4 products
- acrobat≥ 20.001.30005, ≤ 20.005.30539
- acrobat_dc≥ 15.008.20082, < 23.006.20380
- acrobat_reader≤ 23.006.20360 | ≥ 20.001.30005, < 20.005.30539
- acrobat_reader_dc≥ 15.008.20082, < 23.006.20380
1 vendor · 4 products