What is CVE-2024-34408?

CVE-2024-34408 is a medium-severity vulnerability in Tencent Libpag, classified under Heap-based Buffer Overflow. CVSS score: 5.3/10. Published 2024-05-03.

How severe is CVE-2024-34408?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Buffer overflow in Tencent Libpag

CVE-2024-34408

Tencent libpag through 4.3.51 has an integer overflow in DecodeStream::checkEndOfFile() in codec/utils/DecodeStream.cpp via a crafted PAG (Portable Animated Graphics) file.

Vulnerability class: Buffer Overflow

Published 2024-05-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (13.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Tencent Libpag

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

github.com/Tencent/libpag/issues/2230 (Exploit, Issue Tracking)
github.com/Tencent/libpag/pull/2243 (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2024-34408?: CVE-2024-34408 is a medium-severity vulnerability in Tencent Libpag, classified under Heap-based Buffer Overflow. CVSS score: 5.3/10. Published 2024-05-03.
How severe is CVE-2024-34408?: Medium severity. CVSS v3 base score is 5.3 out of 10.