CVE-2024-30311 | TALOS-2024-1946 - Adobe Acrobat Reader Font gvar GlyphVariationData out-of-bounds read vulnerability

Acrobat Reader versions 20.005.30574, 24.002.20736 and earlier Answer: 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.

Published: 2024-05-15 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-30311 is rated Moderate Risk (51.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.99%). EPSS rose +1.93% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-30311

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 1.99% +1.93%
2 2026-06-03 0.04% 0.06% +0.01%
3 2025-11-21 — 0.04% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-30311

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 1.8 3.6 [email protected]

Weakness enumeration for CVE-2024-30311

Affected software / configurations for CVE-2024-30311

Vendor Product Version Raw CPE
adobe acrobat_dc >= 15.007.20033, < 24.002.20759 cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:*
adobe acrobat_reader_dc >= 15.007.20033, < 24.002.20759 cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:*
adobe acrobat >= 20.001.30002, < 20.005.30635 cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
adobe acrobat_reader >= 20.001.30002, < 20.005.30635 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*
adobe acrobat >= 20.001.30002, < 20.005.30636 cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:*
adobe acrobat_reader >= 20.001.30002, < 20.005.30636 cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:classic:*:*:*

References for CVE-2024-30311

cvelogic Threat Intelligence