Security readout for executives and security teams
Plain-English summary
CVE-2025-6199 is a low-severity information disclosure flaw in gdk-pixbuf GIF handling. A malformed GIF can cause uninitialized memory to be included in decoded image output. Business urgency is limited, but systems that process untrusted images should track vendor updates.
Executive priority
Treat as routine patch management unless the organization processes large volumes of untrusted images. It is not marked actively exploited, and the stated impact is limited to low confidentiality exposure.
Technical view
The issue is in GdkPixbuf’s GIF LZW decoder. When decompression encounters an invalid symbol, it reports the full buffer length instead of bytes actually written, exposing unwritten buffer contents. CVSS 3.1 is 3.3: local attack vector, user interaction required, low confidentiality impact.
Likely exposure
Exposure is most likely on Linux systems or applications using gdk-pixbuf to open untrusted GIF files. The bundle lists affected Red Hat Enterprise Linux 7, 8, 9, and 10 packages, with RHEL 6 status unknown. Debian LTS guidance is referenced but fixed versions are not provided here.
Exploitation context
The bundle does not indicate CISA KEV listing or active exploitation. Exploitation appears to require a user or application to process a crafted GIF locally. The impact is memory disclosure only; integrity and availability impacts are not identified in the provided sources.
Researcher notes
Key uncertainty is fixed-version detail: the bundle names affected products and references vendor trackers, but does not include patch identifiers. Validation should focus on package lineage, GIF-decoding exposure, and whether applications expose decoded image output across trust boundaries.
Mitigation direction
- Check Red Hat and Debian vendor advisories for fixed package versions.
- Prioritize systems that process untrusted GIFs or user-uploaded images.
- Update affected gdk-pixbuf-related packages when vendor fixes are available.
- Limit automatic processing or previewing of untrusted GIF files where feasible.
- Monitor application components that use gdk-pixbuf, glycin-loaders, loupe, snapshot, or librsvg2.
Validation and detection
- Inventory installed gdk-pixbuf2 and related image-processing packages.
- Map hosts to affected RHEL versions listed in the source bundle.
- Confirm vendor advisory status and installed package build numbers.
- Review applications that decode user-supplied GIF content.
- Check vulnerability scanner results against CVE-2025-6199 without assuming exploitability.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-6199 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N1.81.4redhatVulnerability scoring details
Base CVSS 3.1 score
3.3LowVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Made public.
- Source timelineredhat
Reported to Red Hat.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://access.redhat.com/security/cve/CVE-2025-6199CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2373147CVE reference, redhat · issue-tracking, x_refsource_REDHAT
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/257CVE reference, redhat
- https://lists.debian.org/debian-lts-announce/2025/06/msg00023.htmlCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.