CVE-2025-13151Patch(gnu / libtasn1)

LOWCVSS 7.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch gnu libtasn1 systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Stack-based buffer overflow in libtasn1 version: v4.20.0. The function fails to validate the size of input data resulting in a buffer overflow in asn1_expend_octet_string.

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-787

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • libtasn1

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 2 signals
  • Peaked 1d ago at 1 mentions (2026-02-23); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
libtasn1

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-02-23: 1Mentions · 2026-03-19: 1Patch / Workaround · 2026-02-23: 1Patch / Workaround · 2026-03-19: 102-2303-19
Signal classification1 categories
Patch
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • Ferramentas Linux@Cezar_H_Linux
    Patch

    The #Fedora 43 update for libtasn1 (4.21.0) is more than routine maintenance; it's a critical fix for CVE-2025-13151. Read more: 👉 https://tinyurl.com/ym9cj3bw #Security #Linux https://t.co/1kA2kV3gGK

    Post summary

    The tweet announces that Fedora 43 includes a critical fix for CVE-2025-13151 and encourages users to update via the provided link.

    00000116
    1.5K followersView on X
  • Lambda Watchdog@LambdaWatchdog
    Patch

    🔍 Lambda Watchdog detected that CVE-2025-13151 is no longer present in latest AWS Lambda base image scans. https://github.com/aws/aws-lambda-base-images/issues/402 #AWS #Lambda #Security #CVE #DevOps #SecOps

    Post summary

    AWS Lambda base images have been updated to remove CVE-2025-13151, indicating the vulnerability has been patched or mitigated.

    0000037
    30 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appgnulibtasn14.20.0--

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